Unit Test — Unit test

Question 1

If f(x) = 1 – x, which value is equivalent to |f(i)|?

Revolt · Accepted Answer

StartRoot 2 EndRoot

Question 2

If f(x) = x3 – 2x2, which expression is equivalent to f(i)?

Revolt · Accepted Answer

2 – i

Question 3

A rectangular patio is 9 ft by 6 ft. When the length and width are increased by the same amount, the area becomes 88 sq ft. Ginger is using the zero product property to solve the equation (6 + x)(9 + x) = 88. What does the value of x in her solutions represent?

Revolt · Accepted Answer

two possible amounts by which the dimensions were changed

Question 4

Which expression is equivalent to ?

Revolt · Accepted Answer

4 StartRoot 5 EndRoot i

Question 5

Solve for in the equation .

Revolt · Accepted Answer

x = 6 plus-or-minus StartRoot 23 EndRoot i

Unit Test — Unit test Answers

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