Unit 2: Quiz 3 - Completing The Square

Which value must be added to the expression x² + 12x to make it a perfect-square trinomial?

36

Amira is solving the equation x² - 6x = 1. Which value must be added to both sides of the equation to make the left side a perfect-square trinomial?

9

Solve for x in the equation x² + 10x + 12 = 36.

x = -12 or x = 2

What are the solution(s) of x² - 4 = 0?

x = -2 or x = 2

Solve for x in the equation x² + 4x - 4 = 8.

x = -6 or x = 2

Solve for in the equation x² + 14x + 17 = -96.

x = -7 ± 8i

Solve for in the equation 2x² + 3x - 7 = x² + 5x + 39.

x = 1 ± √47

Solve for x in the equation x² - 4x - 9 = 29.

x = 2 ± √42

Solve for in the equation x² - 10x + 25 = 35.

x = 5 ± √35