Pretest

Question 1

Which expression is equivalent to 4th root of x to the 10th power ?

Revolt · Accepted Answer

B: x squared times open paren 4th root of x squared close paren

Question 2

Which expression is equivalent to square root of 128 x to the 8th power y cubed z to the 9th power end root ? Assume y is greater than or equal to 0 and z is greater than or equal to 0

Revolt · Accepted Answer

C: 8 x to the 4th power y z to the 4th power square root of 2 y z end root

Question 3

What is the simplest form of cube root of 27 A cubed b to the 7th power ?

Revolt · Accepted Answer

B: 3 A b squared open paren cube root of b close paren

Question 4

Which expression is equivalent to square root of 120 x ?

Revolt · Accepted Answer

C: 2 square root of 30 x

Question 5

Which expression is equivalent to square root of 200 ?

Revolt · Accepted Answer

C: 10 square root of 2

Question 6

Which expression is equivalent to cube root of 256 x to the 10th power y to the 7th power ?

Revolt · Accepted Answer

D: 4 x cubed y squared open paren cube root of 4 x y close paren

Question 7

Which expression is equivalent to square root of the fraction with numerator 2 x to the 5th power and denominator 18 end root ? Assume x is greater than or equal to 0

Revolt · Accepted Answer

A: the fraction with numerator 3 square root of x and denominator x squared; B: the fraction with numerator 2 x square root of x and denominator 3

Question 8

Which expression is equivalent to cube root of 64 A to the 6th power b to the 7th power c to the 9th power ?

Revolt · Accepted Answer

C: 2 A b c squared open paren cube root of 4 A squared b cubed c close paren

Question 9

What values of A and b make the equation true? square root of 648 is equal to square root of 2 to the A th power times 3 to the b th power end root

Revolt · Accepted Answer

A: A is equal to 3 ,  b is equal to 4

Question 10

What values of c and d make the equation true? cube root of 162 x to the c th power y to the 5th power is equal to 3 x squared y open paren cube root of 6 y to the d th power close paren

Revolt · Accepted Answer

B: c is equal to 2 ,  d is equal to 2; D: c is equal to 6 ,  d is equal to 2

Pretest Answers

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