Distance and Midpoints in the Complex Plane

Question 1

Which of the following describes the relationship between b and c?

Revolt · Accepted Answer

C: c is the square of half of b.

Question 2

Given 2x² = -8, x is .

Revolt · Accepted Answer

C: 2i or -2i

Question 3

Choose an equation that would be used to solve 0 = -x2 + 10x – 8

Revolt · Accepted Answer

B: (x – 5)2 = 17

Question 4

Solve (x – 3)2 = 49. Select the values of x.

Revolt · Accepted Answer

B: -4; C: 10

Question 5

x + =

Revolt · Accepted Answer

A: 1/4

Question 6

Which values are solutions of the equation? Check all of the boxes that apply.

Revolt · Accepted Answer

B: ; D:

Question 7

Now that you have x² - 8x + 16 = 9 + 16, apply the square root property to the equation.

Revolt · Accepted Answer

A: (x – 4)² = 25

Question 8

Choose the solutions to the quadratic equationx2 – 8x – 9 = 0.

Revolt · Accepted Answer

B: –1; C: 9

Question 9

Choose the solution to the equation.

Revolt · Accepted Answer

A:

Distance and Midpoints in the Complex Plane Answers