Factoring to Solve Quadratic Equations

• -2, 4
• -8
• ±8
• No real solution

Solve the equation:

• A

• B

• C

• D

• -3, 4
• 3, 4
• -4, -3
• -3

Solve: x²-4x-21=0

• {-7, 3}

• {-3, 7}

• {3, 7}

• {-3,-7}

A new high school gym is painting the gym floor to represents the boundaries of a volleyball court. The court is shaped like a rectangle and has an area of 162 meters. The length of the court is 9 meters greater than the width. The situation can be represented by the equation w2 + 9w- 162 = 0. What is the width of the volleyball court in meters? Enter your answer in the space provided.

Mathematical Equivalence

ON

Tags

A.8A

Solve each equation by factoring.

• A

• B

• C

• D

Solve for k by factoring.

• A

• B

• C

• D

Solve using Zero-Product Property.

(2x - 2)(5x + 5) = 0

• x = -1

• x = -1 or x = 1

• x = 1

• x = -2 or x = 5

Solve by Factoring:

x² + 15x = - 44

• {-8, 2}

• {-7, 5}

• {-11, -4}

• {-11}