Solving Quadratics with Factoring

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Factor
x² + 5x - 36

• (x - 4)(x + 9)
• (x - 4)(x - 9)

• (x + 4)(x - 9)
• (x -12)(x + 3)

Solve by factoring.
k² + 8k + 12 = 0

• -2, 2
• -2, 4
• -2, -6
• 2, 3

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring:
x² -6x + 8 = 0

• 2, 4
• -2, -4
• -2, 4
• 2, -4

Tags

CCSS.HSA-REI.B.4B

Solve the equation by using the factors:

x² + x - 6 = 0

(x - 2) (x + 3) = 0

• {-2, 3}

• {-2, -3}

• {2, -3}

• {-2}

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic by using factors:

x² - 9x + 20 = 0

(x - 4) (x - 5) = 0

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

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² + 3x - 13 = 5

(Remember: You must FIX it 1st)

• 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

Tags

CCSS.HSA.APR.C.4