Skyline College Mathematics Worksheet

A student tries to solve the equation, describe any errors. Then solve the equation correctly.

Inis Test: 7 pts po
e
A student tries to solve the equation
2
VX + 6x + 44 = x+8 as shown on the right.
?
2.
V x + 6x + 44 = x + 8
2
2
X + 6x + 44
8
x2 + 6x + 44 = x² + 64
ות
Describe any errors. Then solve the equation
correctly.
ell
6x = 20
10
X =
pte
3
What errors did the student make? Select all that apply.
A. The student did not simplify the answer.
B. The student squared x + 8 incorrectly.
C. The student divided wrong in the last step.
D.
The student squared Vx? + 6x +44 incorrectly.
The student should not have canceled the x terms.
E. The student subtracted wrong in the next to last step.
OF.
Select the correct choice below and, if necessary, fill in the answer box within your choice.
O A. The correct answer is x=
(Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.)
OB. The solution is the empty set.
Click to select and enter your answer(s).
16
25
MAY
di I NO
tv
A
19
@
G D
@