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Compete the attached quiz and show all work.
Additionally, show work for the single attached problem and show on a separate page. Instructions for question are “find all real solutions. Check your answers, as directed by your instructor.” The answer to the problem is provided but work must be shown.
Quiz 3 – SUMMER 2020 – MATH 107 6387- COLLEGE ALGEBRA
University of Maryland Global Campus
SUMMER 2020, MATH 107 6387
Quiz 3
Prof.
Minhtri Ho
Quiz 3 has 10 problems with each problem being worth 10 points.
The total score of Quiz 3 is 100 points and it counts for 10 % of the final grade of the class.
Please submit Quiz 3 by 11:59 PM Eastern Time June 16, 2020.
Problem 1:
Graph f (x) = x2 − 5x + 4
Problem 2:
Graph the following function:
(
f (x) =
4 − x2
if x < 1
x
if x ≥ 1
Problem 3:
Graph the function f (x) =
√
x, and use this plot to graph the function g(x) =
Problem 4:
Graph the function f (x) = (x − 1)2 , and use this plot to graph the function
g(x) = (2x − 1)2
Problem 5:
Find the slope of the line containing the following pair of points:
P (1, −1), Q(3, −3)
Problem 6:
Write the equation of the line containing the points (0, 1) and (2, 3)
SUMMER 2020 - MATH 107 6387 - COLLEGE ALGEBRA
√
x+1
Quiz 3 - SUMMER 2020 - MATH 107 6387- COLLEGE ALGEBRA
Problem 7:
Solve the following equation:
2 − |x + 4| = 1
Problem 8:
Graph the following function:
f (x) = |x + 2|
Problem 9:
Find the least squares regression line, and graph both the scatter plot and the regression
line, for the following set of data:
x
y
1
2
3
4
5
6
7
8
9
1.367 1.548 3.172 4.064 4.739 5.913 7.069 8.716 9.554
Problem 10:
Find the least squares regression line, and graph both the scatter plot and the regression
line, for the following set of data:
x
y
1
2
3
4
5
6
7
8
9
2.865 5.304 7.073 8.994 11.072 12.980 14.988 17.149 19.141
SUMMER 2020 - MATH 107 6387 - COLLEGE ALGEBRA
19. y =
5246
2
19. y? - v8y - 18y – 1
