17.2 Algebra

Factor
a² - a - 12

• (a - 4)(a + 3)
• (a + 6)(a - 4)
• (a - 6)(a + 4)
• (a + 4)(a - 3)

Factor
n² + 5n - 6

• (n - 2)(n - 3)
• (n - 1)(n + 6)
• (n + 1)(n - 6)
• (n + 2)(n - 3)

Factor
x² - 5x - 36

• (x - 4)(x + 9)
• (x - 6)(x + 6)
• (x + 4)(x - 9)
• (x -12)(x + 3)

Factor
x² -16x + 48

• (x - 12)(x - 4)
• (x + 6)(x - 8)
• (x + 12)(x - 4)
• (x -16)(x - 3)

Factor
x² + 12x + 36

• (x + 6)(x +6)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 6)(x - 6)

Solve x² + x – 72 = 0.

• x = -8

• x = -8 or x = 9

• x = 8 or x = -9

• x = 9

Tags

CCSS.HSA-REI.B.4B

Solve a² – 4a = 45.

• a = -5

• a = 9

• a = 9 or a = -5

• a = -9 or a = 5

Tags

CCSS.HSA-REI.B.4B

Solve m² + 12m - 64 =0.

• 16 and -4
• 9/2 and -3
• 4 and -16
• 2 and -32

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

• 21,1

• -3 , -7
• 3 , 7
• 28 , -7

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
k² + 8k + 12 = 0

• -2, 2
• -2, 4
• -2, -6
• 2, 3

Tags

CCSS.HSA-REI.B.4B