QUIZ: Solving Quadratics by Factoring & Quadratic Formula

• A.
• B.
• C. 
• D. 

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• B.
• C. 
• D. 

• A.
• B. 
• C. 
• D. 

Factor:
x² + 21x + 108

• (x + 9)(x + 12)
• (x + 3)(x + 27)
• (x + 2)(x + 54)
• (x + 4)(x + 27)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve by factoring:
x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

Solve by factoring:
x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

Solve
n² - 15n + 56 = 0

• {3, 0}
• {-8, 8}
• {-3, 6}
• {7, 8}

Solve
x² + 15x + 44 = 0

• {-8, 2}
• {-7, 5}
• {-11, -4}
• {-11}

Solve
n² - 11n = 42

• {-9, -8}
• {-3, 14}
• {3}
• {-11, 10}

Solve
x² - 15x = -44

• {-5, 8}
• {-13, -5}
• {-11, 14}
• {4, 11}