7.4/7.5 Quiz - Factoring and Solving Polynomials

What are the factors AND solutions of x² + 2x – 3 = 0

• (x - 2)(x + 1); x=2, x=-1
• (x + 1)(x - 3); x=-1, x=3
• (x + 2)(x - 1); x=-2, x=1
• (x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B

Factor and then solve x²+4x-32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

Solve by factoring first: 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 for a by factoring.

a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

a² - 9a + 8 = 0

• {-4, 14}
• {-5, -4}
• {1, 8}
• {-4, 11}

Tags

CCSS.HSA-REI.B.4B

p² + 12p + 35 = 0

• {-7, 5}
• {-9, -5}
• {-7, 0}
• {-7, -5}

Tags

CCSS.HSA-REI.B.4B

x² - 6x - 7 = 0

• {-1, 7}
• {-3, -1}
• {5, 6}
• {-3, 3}

Tags

CCSS.HSA-REI.B.4B

x² + 15x + 44 = 0

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

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA-REI.B.4B