Unit Test Answers
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1
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Which expression is equivalent to ? Assume x 0.
A
StartFraction x cubed StartRoot 2 EndRoot Over 2 EndFraction
B
StartFraction 4 StartRoot 2 EndRoot Over x cubed EndFraction
C
StartFraction StartRoot 2 EndRoot Over 2 x cubed EndFraction
D
StartFraction 2 StartRoot 2 EndRoot Over x cubed EndFraction
2
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Fuaad solved an absolute value inequality and expressed the solution as . What is another way to show Fuaad’s solution?
A
mc008-2.jpg
B
(–12, 7]C
mc008-3.jpg
D
mc008-4.jpg
3
Which describes the range of the parent absolute value function?
A
{y | y is a real number}B
{y | y is an integer}C
{y|y > 0}D
{y|y < 0}4
Jamal simplified the expression where and . Which describes the error Jamal made?
A
He should have written the square root of in the answer as , not .
B
He should have written the square root of in the answer as , not .
C
He should have written the 5 inside of the radical in the answer.D
He should have written the 3 outside of the radical in the answer.5
Which of the following gives a single solution of the inequality and shows a graph that can be used to determine the entire solution set of the inequality?
A
x = 0
B
x = –1
C
x = 2
D
x = 5
6
Which is the graph of the function f(x) =
A
OptionB
OptionC
OptionD
Option7
What is the solution, if any, to the inequality ?
A
no solutionB
all real numbersC
n > 2 or n < 6D
2 < n < 6Did you find these answers helpful?
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