Unit Test — Unit test

Question 1

Which equation has a graph that lies entirely above the x-axis?

Revolt · Accepted Answer

y = (x – 7)2 + 7

Question 2

What is the domain of the function ?

Revolt · Accepted Answer

x greater-than-or-equal-to 5

Question 3

In which quadrant is the number 6 – 8i located on the complex plane?

Revolt · Accepted Answer

IV

Question 4

Using the quadratic formula to solve 4x2 – 3x + 9 = 2x + 1, what are the values of x?

Revolt · Accepted Answer

StartRoot 5 plus-or-minus StartRoot 103 EndRoot i Over 8 EndFraction

Question 5

What is the additive inverse of the complex number 9 – 4i?

Revolt · Accepted Answer

–9 + 4i

Unit Test — Unit test Answers