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David Williams

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Conic Sections Take Test: 9.03 Circles Quiz

Take Test: 9.03 Circles Quiz

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Multiple Attempts This test allows 3 attempts. This is attempt number 1.

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QUESTION 1

What is the equation of the following graph?

4

Save and Submit

2 points

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Question Completion Status:

x2 + y2 = 1

x2 – y2 = 1

x2 + y2 = 2

x2 + y2 = –2

QUESTION 2

2 points

Save Answer

2 points

Save Answer

What is the radius of the following graph?

6

1

2

4

QUESTION 3

What is the equation of the following circle?

Question Completion Status:

(x + 4)2 – (y + 3)2 = 6.25

(x + 4)2 + (y + 3)2 = 6.25

(x – 4)2 – (y – 3)2 = 6.25

(x – 4)2 + (y – 3)2 = 6.25

QUESTION 4

What is the equation of the following circle?

2 points

Save Answer

Question Completion Status:

(x + 1)2 + (y + 1)2 = 36

(x + 1)2 – (y + 1)2 = 36

(x – 1)2 + (y – 1)2 = 36

(x – 1)2 – (y – 1)2 = 36

QUESTION 5

What is the center of the following graph?

2 points

Save Answer

Question Completion Status:

(–5, 6)

(5, 6)

(–4, 6)

(4, 6)

QUESTION 6

2 points

Save Answer

Write the equation of a circle with a center at (–5, –1) and a radius of 5.

(x – 5)2 + (y – 1)2 = 25

(x + 5)2 + (y + 1)2 = 25

(x + 5)2 + (y + 1)2 = 5

(x – 5)2 + (y – 1)2 = 5

QUESTION 7

2 points

Save Answer

Write the equation of a circle with a center at (15, –35) and a diameter of 100.

(x – 15)2 + (y + 35)2 = 250

(x – 15)2 + (y + 35)2 = 50

(x – 15)2 + (y + 35)2 = 2500

(x – 15)2 + (y + 35)2 = 100

Question Completion Status:

QUESTION 8

2 points

Save Answer

Write the equation of a circle with a center at (2, –3) and a radius of

(x + 2)2 + (y – 3)2 =

(x + 2)2 + (y – 3)2 =

(x – 2)2 + (y + 3)2 =

(x – 2)2 + (y + 3)2 =

QUESTION 9

2 points

Save Answer

Write the equation of a circle with a center at (0, 0) and a radius of 2.

x2 + y2 = 2

x2 + y2 = 4

x2 – y2 = 4

x2 – y2 = 2

QUESTION 10

What is the point of symmetry for the following circle?

2 points

Save Answer

Question Completion Status:

(1, 3)

(2, 0)

(1, 2)

(0, 2)

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Discrete Mathematics: Sequences and Series

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Take Test: 11.03 Discrete Mathematics: Sequences and Series Unit Exam

Take Test: 11.03 Discrete Mathematics: Sequences

and Series Unit Exam

Test Information

Description

Instructions

Multiple Attempts

Question Completion Status:

Force Completion

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QUESTION 1

Save and Submit

2 points

Save Answer

Which of the following represents an arithmetic sequence?

10, 8, 6, 5,…

6, 8, 11, 13,…

5, 3, 1, -1,…

5, -5, 5, -5,…

QUESTION 2

The following is an arithmetic sequence.

True

False

2 points

Saved

2 points

Saved

2 points

Saved

2 points

Saved

The following is an arithmetic sequence.

7, 6.5, 6, 5,…

True

False

QUESTION 4

The following is an arithmetic sequence.

2, 5, 8, 10,…

True

False

QUESTION 5

What is the common difference of the following arithmetic sequence?

100, 102, 104, 106,…

Question Completion Status:

1

2

3

4

QUESTION 6

2 points

Saved

2 points

Saved

What are the next 3 terms in the following sequence?

5, 7, 9,…

11, 13, 15

11, 13, 16

11, 14, 16

12, 15, 17

QUESTION 7

What is the common difference of the following arithmetic sequence?

3, 13, 23, 33,…

10

11

12

13

QUESTION 8

2 points

What is the common difference of the following arithmetic sequence?

Saved

-2

1

-1

QUESTION 9

2 points

Saved

2 points

Saved

2 points

Saved

2 points

Saved

What are the next 3 terms of the following sequence?

-3, -8, -13,…

-19. -24. -29

-18, -23, -28

-18, -24. -29

-17, -22, -27

QUESTION 10

Question Completion Status:

10, 13, 16

10, 14, 16

10.5, 14, 17.5

11, 14, 18

QUESTION 11

Find the four arithmetic means between 40 and 10.

33, 27, 21, 15

36, 30, 24, 18

34, 28, 22, 16

30, 32, 34, 36

QUESTION 12

Find the 10th term of an arithmetic sequence if t1 = 2.1 and t4 = 1.83.

1.2

1.29

1.27

1.38

QUESTION 13

2 points

What is the 5th term of an arithmetic sequence if t3 = 10 and t7 = 26?

Saved

22

24

QUESTION 14

2 points

Saved

Find S10 for 10 + 8 + 6 + 4 +…

8

10

12

14

QUESTION 15

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Find S20 for the series -1 + -3 + -5 + -7 +…

-399

Question Completion Status:

-420

-380

-400

QUESTION 16

Find S15 for the series -1 + -3 + -5 + -7 +…

-240

-225

-210

-224

QUESTION 17

Find S20 for the arithmetic series 8 + 16 + 24 + 32 +…

1672

1688

1664

1680

QUESTION 18

The following is a geometric sequence.

-2, -6, -18, -54,…

True

2 points

Saved

QUESTION 19

2 points

Saved

2 points

Saved

2 points

Saved

The following is a geometric sequence.

3, 5, 7, 9,…

True

False

QUESTION 20

The following is a geometric sequence.

7, 10, 13, 16,…

True

False

QUESTION 21

Question Completion Status:

The following is a geometric sequence.

-1, -3, -9, -28,…

True

False

QUESTION 22

2 points

Save Answer

2 points

Save Answer

What is the common ratio of the following sequence?

8, 64, 512, 4096,…

7

8

9

10

QUESTION 23

What is the common ratio of the following sequence?

-3, -12, -48, 192,…

1

2

3

4

QUESTION 24

2 points

Saved

4000, 20,000, 100,000

5000, 20,000, 100,000

5000, 10,000, 50,000

QUESTION 25

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

What is the common ratio of the following sequence?

7, 21, 63, 189,…

1

2

3

4

QUESTION 26

Question Completion Status:

Find two geometric means between 4 and 13.5.

6, 9

7, 11

8, 12

9, 14

QUESTION 27

Find the four geometric means between 4 and 972.

12, 36, 108, 324

12, 36, 98, 284

12, 48, 144, 322

12. 48. 144. 432

QUESTION 28

2 points

Saved

Find the 6th term of a geometric sequence with t4 = 189 and t9 = 45,927.

5103

1701

1259

567

QUESTION 29

2 points

Saved

30,156

93,546

147,456

QUESTION 30

2 points

Saved

Find S12 for the series 1 + 1.5 + 2.25 + 3.375 +…

113.3

171

209.8

257.5

QUESTION 31

Find S9

2,441,406

2 points

Save Answer

2 points

Save Answer

Question Completion Status:

488,281

218,366

97,657

QUESTION 32

Find S8 for the series -2 + -10 + -50 + -250 +…

-39,062

-87,342

-195,312

– 976,562

QUESTION 33

2 points

Saved

2 points

Saved

Find S5 for the series -2 + -10 + -50 + -250 +…

-1562

-312

-7812

-3492

QUESTION 34

Find the sum of the infinite geometric series 8 + 4 + 2 + 1 +…if it exists.

17

16

QUESTION 35

2 points

Saved

2 points

Saved

2 points

Saved

Find the sum of the following infinite geometric series, if it exists.

4 + 3.2 + 2.56 + 2.048 + …

Does not exist

20

22

24

QUESTION 36

5

Question Completion Status:

6

7

9

QUESTION 37

Find the sum of the following infinite geometric series, if it exists.

Does not exist

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Semester 2 Exam

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Take Test: 12.00 Semester 2 Exam

Take Test: 12.00 Semester 2 Exam

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Instructions

Multiple Attempts Not allowed. This test can only be taken once.

Force Completion This test can be saved and resumed later.

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QUESTION 1

2 points

Save Answer

Which of the following is the correct matrix representation of the Saturday movie ticket sales?

Ticket Sales for Thursda

Ticket Sales for Friday Chil Ticket Sales for Saturda

y Children

Adults

dren

Adults

y Children

Adults

Regular

257

183

355

402

398

423

Matinee

135

168

242

311

376

386

QUESTION 2

If A =

QUESTION 3

and B =

2 points

Save Answer

2 points

Save Answer

, find B – A.

Matrix A has dimensions 5 x 4. Matrix B has dimensions 4 x 3. These two matrices can be multiplied.

True

False

QUESTION 4

2

i t

QUESTION 4

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Question Completion Status:

Evaluate

QUESTION 5

Evaluate

Does not exist.

QUESTION 6

Find the determinant of

-10

6

10

18

QUESTION 7

When lines intersect in one place, they are ____________________.

consistent

independent

dependent

inconsistent

QUESTION 8

Does the following system of equations have a solution?

Question Completion Status:

Yes

No

QUESTION 9

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

What is the approximate solution of the following system of equations?

(-1, 1)

(-1, -1)

(1, -1)

(1, 1)

QUESTION 10

Solve y = 2x – 4 by the substitution method.

7x – 5y = 14

(0, 2)

(2, 0)

(-2, 1)

(1, 3)

Q U E S T I O N 11

Solve the following system of equations by using the substitution method.

x+y=1

3x – y = 11

(-3, 4)

(6, -5)

(3, -2)

Inconsistent

QUESTION 12

Solve the following system of equations by using the elimination method.

2x – 3y = -10

3x + 5y = 4

(2, -2)

(-2, 2)

Inconsistent

Consistent

Consistent

Question Completion Status:

QUESTION 13

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Solve the following system of equations by using the elimination method.

2x – 4y = 8

3x + 8y = -2

(1, 3)

(4, 5)

(2, -1)

(-2, -1)

QUESTION 14

Solve the following system of equations using matrices.

2x + 4y = 16

-4x – 8y = 32

(2, 2)

(-2, -2)

Consistent

Inconsistent

QUESTION 15

Solve the following system of equations using matrices.

y = 2x – 2

3x – 6y = -6

(1, 0)

(3, 4)

(-2, -2)

(2, 2)

QUESTION 16

The difference of two numbers is 4. 5 times the smaller number is four more than three times the

larger. Find the two numbers.

-10 and -14

10 and 14

8 and 12

-8 and -12

QUESTION 17

Which of the following is a solution to the following system of inequalities?

(1, 1)

(-4, 0)

(3, -3)

2 points

Save Answer

(0, 5)

Question Completion Status:

QUESTION 18

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

The following is the solution of x – 2y > -2.

x + y ≥ -3

True

False

QUESTION 19

Solve x + 2y = 10

-2x – 4y = 24

5x + 5y + 5z = 15

Infinite number of solutions

no solutions

(2, 4, -3)

(0, -6, 9)

QUESTION 20

Solve x + 2y = 50-2x + 3y = 405x + 5y + 5z = 300

(10, 20, 30)

(-10, -20, -30)

(10, 20, -30)

(10, -20, 30)

QUESTION 21

The perimeter of a triangle is equal to 12 inches. The length of the longest side is equal to the sum of

the other two sides minus 2. If you multiply the shortest side by 3 and add one, it will equal 2 times the

longest side. Find the side lengths

Shortest side = 1 inch, Middle side = 4 inches, Longest side = 7 inches

Shortest side = 3 inch, Middle side = 4 inches, Longest side = 5 inches

Shortest side = 2 inch, Middle side = 3 inches, Longest side = 7 inches

Shortest side = 2 inch, Middle side = 4 inches, Longest side = 6 inches

QUESTION 22

Which of the following are congruent?

The opposite sides in a kite

The opposite angles in a trapezoid

The opposite angles in a parallelogram

The diagonals in a rhombus

2 points

Save Answer

QUESTION 23

Question Completion Status:

2 points

Save Answer

YWXZ is a rhombus with diagonals that intersect at point S. Angle WSX measures

Find

the value of x.

26

56

34

Not enough information is given

QUESTION 24

ABCD is a parallelogram. Angle C is equal to

2 points

and angle D is equal to

Save Answer

. Find x

80

77.5

60

56.5

QUESTION 25

2 points

Save Answer

Triangle ABC is congruent to triangle XYZ. Angle A measures 50° angle B measure

angle X measures

° Find the value of x.

20.5

13.67

16

10.5

QUESTION 26

2 points

° and

Save Answer

Triangle ABC is congruent to triangle XYZ. Angle A measures 50° angle B measure

angle Z measures

° Find the value of x.

20.5

13.67

16

10.5

QUESTION 27

2 points

° and

Save Answer

Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle B measures 19

degrees. Find the measure of angle H.

42

19

119

29

QUESTION 28

Question Completion Status:

2 points

Save Answer

Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD

measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.

11

12

3

14

QUESTION 29

2 points

Save Answer

Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc ADB measures 20x –

10. Find the value of x.

0

7

10

17

QUESTION 30

2 points

Save Answer

Point C is the center of the circle. Arc AB measures 5x + 2. Angle ACB measures 3x + 14. Find the

value of x.

2

8

6

20

QUESTION 31

Point C is the center of the circle. What is the measure of arc ADB if [

102°

51°

258°

2 points

Save Answer

ACB is equal to 102°?

360°

Question Completion Status:

QUESTION 32

Point C is the center of the circle. What is the measure of arc AB if

2 points

Save Answer

ACB is equal to 80°?

80°

40°

160°

360°

QUESTION 33

2 points

Save Answer

Circles M and K are congruent, arc QR is congruent to arc LN and arc OP is congruent to arc VW.

Find x.

3

-3

5

-5

QUESTION 34

2 points

Save Answer

Circles M and K are congruent, QR is congruent to LN and OP is congruent to VW. Find y.

-4

4

-3

3

QUESTION 35

Find x.

2 points

Save Answer

Question Completion Status:

96°

149°

112°

154°

QUESTION 36

Find the

if

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

is equal to 51° and angle A measures 21°

15°

93°

72°

46°

QUESTION 37

What is the distance between P(0, 14) and Q(5, -2)?

13

14

QUESTION 38

Find the midpoint of

if P (8, 3) and Q(5, 2)?

(2.5, 6.5)

(6.5, 2.5)

(5.5, 3.5)

(3.5, 5.5)

QUESTION 39

The equation

represents a __________.

parabola

circle

hyperbola

ellipse

QUESTION 40

What is the focus of the followingQuestion

graph? Completion Status:

(0, 6)

(6, 0)

(0, -6)

(-6, 0)

QUESTION 41

2 points

Save Answer

2 points

Save Answer

What is the equation of the following graph?

QUESTION 42

What is the equation of the following graph?

Question Completion Status:

QUESTION 43

2 points

Save Answer

What is the equation of the parabola with a focus at (-3, 0) and a directrix x = 3.

QUESTION 44

2 points

Save Answer

Write the equation of a parabola with a vertex at (-3, 7) and a directrix x = -8.

QUESTION 45

What is the symmetry of the following graph?

2 points

Save Answer

Question Completion Status:

x=2

x = -2

y=5

y = -5

QUESTION 46

2 points

Save Answer

2 points

Save Answer

What is the equation of the following graph?

x2 + y2 = 1

x2 + y2 = 4

x2 + y2 = 16

x2 + y2 = 17

QUESTION 47

What is the equation of the following circle?

(x + 1)2 + (y + 1)2 = 36

(x + 1)2 – (y + 1)2 = 36

(x – 1)2 + (y – 1)2 = 36

(x – 1)2 – (y – 1)2 = 36

(x

1)

(y

1)

36

Question Completion Status:

QUESTION 48

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

What is the radius of the following circle?

8

10

–5

5

QUESTION 49

Write the equation of a circle with a center at (–7, –7) and a radius of 7.

(x + 7)2 + (y + 7)2 = 49

(x + 7)2 + (y + 7)2 = 7

(x + 7)2 + (y + 7)2 = 14

(x – 7)2 + (y – 7)2 = 49

QUESTION 50

Write the equation of a circle with a center at (15, –35) and a diameter of 100.

(x – 15)2 + (y + 35)2 = 250

(x – 15)2 + (y + 35)2 = 50

(x – 15)2 + (y + 35)2 = 2500

(x – 15)2 + (y + 35)2 = 100

QUESTION 51

What is the point of symmetry for the following circle?

2 points

Save Answer

Question Completion Status:

(3, 1)

(-3, -1)

(-1, -3)

(1, 3)

QUESTION 52

2 points

Save Answer

2 points

Save Answer

Where are the vertices of the following graph?

(-9, 0) and (9, 0)

(

(0,

, 0) and (

) and (0,

, 0)

,)

(0, 2) and (0, -2)

QUESTION 53

What are the foci of the following graph?

Question Completion Status:

(-7, 3) and (5, 3)

(-1-

, 3) and (-1 +

, 3)

(-1-

, 3) and (-1 +

, 3)

(-8, 3) and (6, 3)

QUESTION 54

2 points

Save Answer

2 points

Save Answer

What is the length of the major axis of the following graph?

8

4

18

9

QUESTION 55

What is the equation of the ellipse with foci (0, 6), (0, -6) and co-vertices (2, 0), (-2, 0)?

QUESTION 56

2 points

What is the equation of the ellipse with foci (2, 0), (-2, 0) and vertices (7, 0), (-7, 0)?

Save Answer

What is the equation of the ellipse with foci (2, 0), ( 2, 0) and vertices (7, 0), ( 7, 0)?

Question Completion Status:

QUESTION 57

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Ellipses have symmetry through both their minor and major axes.

True

False

QUESTION 58

What is the equation of the following graph?

QUESTION 59

What is the equation of the following graph?

Question Completion Status:

=1

QUESTION 60

2 points

Save Answer

2 points

Save Answer

What are the vertices of the following graph?

(2, 1) and (-6, 1)

(1, 2) and (1, -6)

(4, -2) and (-2, -2)

(-2, 4) and (2, 2)

QUESTION 61

Write the equation of a hyperbola with vertices at (-4, 0) and (4, 0) and co-vertices (0, 5) and (0, -5).

QUESTION 62

2 points

Save Answer

Write the equation of a hyperbola with vertices at (1,1) and (9, 1) and foci at (0, 1) and (10, 1).

Question Completion Status:

QUESTION 63

2 points

Save Answer

The symmetry of a hyperbola with a center at (h, k) only occurs at y = k and x = h.

True

False

QUESTION 64

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

What are the odds of picking an “m” in the word Mississippi?

1:9

1 : 10

1 : 11

1 : 12

QUESTION 65

What are the odds of picking an “o” in the word “footloose”?

4:9

4:8

4:6

4:5

QUESTION 66

Experimental probability is based on performing trials.

True

False

QUESTION 67

A bag contains 4 white marbles, 3 black marbles, and 5 red marbles. Find the probability of picking a

red marble?

QUESTION 68

2 points

Save Answer

A bag contains 4 white marbles, 3 black marbles, and 5 red marbles. Find the probability of picking a

white marble?

QUESTION 69

2 points

Save Answer

Annie is choosing an outfit for the day. She has a choice of 3 pairs of pants, 4 shirts, and 3 pairs of

shoes. How many different outfit choices does she have?

36

27

18

9

QUESTION 70

2 points

Save Answer

A bag has 5 red marbles, 6 blue marbles

4 black marbles.

Questionand

Completion

Status: What is the probability of picking a red

marble, replacing it, and then picking a blue marble?

QUESTION 71

2 points

Save Answer

A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red

marble, replacing it, and then picking a blue marble?

QUESTION 72

2 points

Save Answer

A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick

a yellow marble, do not replace it, and pick another yellow marble?

QUESTION 73

2 points

Save Answer

A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick

a yellow marble, do not replace it, and pick a green marble?

QUESTION 74

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

In how many ways can a music teacher arrange 24 students in 3 rows?

12,144

9240

10,626

7980

QUESTION 75

In how many ways can a student arrange 20 CDs in 4 CD player?

1,860,480

116,280

61,560

6840

QUESTION 76

A test consists of 20 problems and students are told to answer any 10 of these questions. In how

many different ways can they choose the 10 questions?

168,394

184,756

192,548

203,832

Question Completion Status:

QUESTION 77

2 points

Save Answer

A pizza place offers 5 different cheeses and 10 different toppings. In how many ways can a pizza be

made with 3 cheese and 6 toppings?

1200

1500

1800

2100

QUESTION 78

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

2 points

Save Answer

Expand (2x – 3)5.

32×5 – 240×4 + 720×3 – 1080n2 + 810n – 243

32×5 – 240×4 – 720×3 – 1080n2 – 810n – 243

32×5 + 240×4 + 720×3 + 1080n2 + 810n + 243

32×5 + 240×4 + 720×3 – 1080n2 – 810n + 243

QUESTION 79

Expand (2x + y)5.

32×5 + 80x4y + 80x3y2 + 40xy2 + 10xy4 + y5

32×5 – 80x4y + 80x3y2 – 40xy2 + 10xy4 – y5

32×5 – 80x4y – 80x3y2 – 40xy2 – 10xy4 – y5

32×5 – 80x4y + 80x3y2 – 40xy2 – 10xy4 + y5

QUESTION 80

The third term of (a – 3b)5 is -90a3b2.

True

False

QUESTION 81

The third term of (y – x)4 is -6y2x2.

True

False

QUESTION 82

Find the mean of the following set of data. Round your answer to two decimal places.

48, 65, 57, 54, 61, 57, 52, 61, 57

51.2

55.78

56.89

58

QUESTION 83

2 points

Save Answer

What is the variance of the following data? If necessary, round your answer to two decimal places.

13, 11, 4, 5, 6, 9, 10, 12, 15, 16

16.34

17.15

15.29

14.36

QUESTION 84

2 points

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What is the variance of the following data? If necessary, round your answer to two decimal places.

46 53 38 67 46 57 61 42 63 55 46

46, 53, 38, 67, 46, 57, 61, 42, 63, 55, 46

78.69

Question Completion Status:

83.17

71.35

86.43

QUESTION 85

2 points

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What sampling method was used in the following scenario?

From 1000 students, half being boys and half being girls, 100 names were pulled out of a hat to

complete a survey for the school.

Simple Random Sampling

Systematic Sampling

QUESTION 86

2 points

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The time required to finish a test in normally distributed with a mean of 80 minutes and a standard

deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in

more than 110 minutes?

82%

2%

34%

16%

QUESTION 87

2 points

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What percentage of the data falls outside 2 standard deviations of the mean?

0%

1%

5%

32%

QUESTION 88

2 points

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Suppose you have a normally distributed set of data pertaining to a standardized test. The mean

score is 500 and the standard deviation is 100. What is the z-score of 800 point score?

2.5

3

1.5

0.5

QUESTION 89

2 points

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Suppose you have a normally distributed set of data pertaining to a standardized test. The mean

score is 500 and the standard deviation is 100. What is the z-score of 450 point score?

1.5

1

0.5

-0.5

QUESTION 90

2 points

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2 points

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The following sequence is arithmetic.

2, 4, 6, 8, 10

True

False

QUESTION 91

What is the d value of the following arithmetic sequence?

27, 41, 55, 69, 83, 97….

13

-13

-14

14

Question Completion Status:

QUESTION 92

2 points

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2 points

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2 points

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2 points

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2 points

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2 points

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2 points

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2 points

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Find the five arithmetic means between -2 and 16.

1, 4, 7, 11, 14

1, 3, 6, 9, 12

1, 4, 7, 10, 13

0, 3, 7, 10, 13

QUESTION 93

Find the 2nd term of an arithmetic sequence if t1 = 0 and t5 = 16?

8

6

4

2

QUESTION 94

Find S7 for 3 + 9 + 15 + 21 +…

117

132

147

168

QUESTION 95

The following is a geometric sequence.

4, 5, 6.25, 7.8125 …

True

False

QUESTION 96

What is the r value of the following geometric sequence?

-81, 54, -36, 12,…

QUESTION 97

Find three geometric means between 3 and 48.

7, 20, 36

7, 18, 33

6, 15, 27

6, 12, 24

QUESTION 98

Find the 8th term in the geometric sequence with t4 = 48 and t6 = 192.

768

192

QUESTION 99

Find the sum of the geometric sequence 3 24 192 1536

Find the sum of the geometric sequence 3, 24, 192, 1536.

1735

Question Completion Status:

1765

1745

1755

QUESTION 100

2 points

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Find the sum of the following infinite geometric series, if it exists.

4 + 3 + 2.25 + 1.6875 +…

Does not exist

12

14

16

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