MAT 101 Midterm Exam- 2nd Attempt review 95% | Questions and Answers | 2025 Update - Straighterline.

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MAT101_SL_V7 | Topic 6: Graded Midterm Exam



Started on Sunday, December 15, 2024, 6:56 PM
State Finished
Completed on Sunday, December 15, 2024, 7:34 PM
Time taken 37 mins 56 secs
Grade 190.00 out of 200.00 (95%)




Question 1 −− −−
Simplify the expression 12√10 + 5√90 .
Correct

5.00 points out Select one:
of 5.00 A. 27√10
−−
−−
B. 27√20
−−
C. 20√10
D. 170




Question 2 −−−−−−
√
6
Correct 3 −8m
Simplify the expression is .
5.00 points out 125n3
of 5.00
Select one:
A. 2m2

5n
B. 2m2
−
125n3
C. 8m6
−
5n
D. 2m2
−
5n

, Question 3
Evaluate the expression using the given value of the variable.
Correct
5y − 3y(y + 8) + 25 for y = −4
5.00 points out
of 5.00 Select one:
A. 17
B. −7
C. 53
D. −99




Question 4
Factor the polynomial 27y 3 − 8 .
Correct

5.00 points out Select one:
of 5.00
A. (3y + 2)(9y 2 + 6y + 4)
B. (3y − 2)(9y 2 + 6y + 4)
C. (3y − 2)(9y 2 − 6y + 4)
D. (3y − 2)(3y 2 + 6y + 4)




Question 5 3
Correct
Simplify the expression −3 × [36 ÷ (8 − 5)2 ]
5.00 points out
of 5.00
Select one:
A. −36
B. −648
C. −192
D. 192




Question 6
Samantha is overseeing a community improvement initiative, and she has decided to enhance a
Incorrect rectangular plaza in the town center. The plaza's area is represented by the expression
0.00 points out 90y 2 − 181y + 90 square meters. The dimensions of the plaza are perfect factors of the area. Use
of 5.00 factor by grouping to determine the length and width of the plaza.

Select one:
A. (9y + 10)(10y − 9)

B. (9y − 10)(10y − 9)
C. (9y + 10)(10y + 9)
D. (9y − 10)(10y + 9)