Transformations of Quadratic Functions — Unit test

Question 1

What is the discriminant of ?

Revolt · Accepted Answer

76

Question 2

What is the square root of -1?

Revolt · Accepted Answer

i

Question 3

Which property of addition is shown in the equation below?a + bi + 0 + 0i = a + bi

Revolt · Accepted Answer

identity property

Question 4

What is the first step when rewriting y = 3x2 + 9x – 18 in the form y = a(x – h)2 + k?

Revolt · Accepted Answer

3 must be factored from 3x2 + 9x

Question 5

Melissa and Tomas are playing a game with complex numbers. If Melissa has a score of 5 – 4i and Tomas has a score of 3 + 2i, what is their total score?

Revolt · Accepted Answer

8 – 2i

Transformations of Quadratic Functions — Unit test Answers

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