Quadratic Equations

Solve the equation: 
5x² - 35x + 60 = 0

• x = 3,  -4

• x = -3,  4

• x = 3,  4

• x = -3,  -4

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

Solve for a by factoring.
a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

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

n² - 15n + 56 = 0

• {3, 0}

• {-8, 8}

• {-3, 6}

• {7, 8}

Tags

CCSS.HSA-REI.B.4B

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

Solve
16a² - 9 = 0

• a = ^-3/₄, ³/₄ 

• a = ^-4/₃, ⁴/₃ 

• a = ^-9/₁₆, ⁹/₁₆ 

• a = ^-16/₉, ¹⁶/₉ 

Tags

CCSS.HSA-REI.B.4B

Solve
8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃

• n = ⁴/₅, - 2

• n = ¹/₄, ^-3/₂

• n = 2, -12

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
z² - 18z + 81 = 0

• z = 9

• z = -9

• z = 9 or z = -9

Tags

CCSS.HSA-REI.B.4B