Filling in the Blank Quadratic Factoring

Help finish the problem by completing step 2. Step 1: x² - 4x + 4 = 20, Step 2: (x - __ )² = 20 *Hint: Think about what goes in the blank*

• 4

• 2

• 8

• 20

Complete the square; what number goes in the blank?

x² + 6x + ____

• 9

• 36

• -36

• - 9

Complete the square, what is the new quadratic after filling in the blank? x² + 14x + ____

• x² + 14x - 196

• x² + 14x + 49

• x² + 14x - 49

• x² + 14x + 196

Solve by factoring: x² + 3x - 18 = 0
Put the solutions in order from least to greatest.

{​ (a)   ,​ (b)   }

• -6

• 3

• 6

• -3

• 9

• -2

• -9

• 2

• 18

• -1

Solve the equation by factoring.

• x = {3,8}

• x = {-3,8}

• x = {3,-8}

• x = {-3,-8}

Solve for x by factoring.

• -6, -2

• -2, 6

• 2, 6

• -6, 2

Solving the equation f(x) = x² - 8x + 15 =0, what are the two factors we can create to solve this equation? ​ (a)   .

• (x - 3) and (x - 5)

• (x + 3) and (x + 5)

• (x - 15)

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Solve each equation by factoring.

• A

• B

• C

• D

• -4, 2
• -2, 4
• -16
• -4