Solving Quadratics

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 x²+4x-32=0

• x= -8, 4

• x= 8, -4

• x= -8, -4

Tags

CCSS.HSA-REI.B.4B

Solve x²=18x-81.

• x= -9, -9

• x= 9

• x= -9, 9

Tags

CCSS.HSA-REI.B.4B

Solve 5x² - 25x = 5x - 40

• x= -4, -2

• x= -4, 2

• x= 4, 2

Tags

CCSS.HSA-REI.B.4B

Solve 3x² - 48 = 0

• x= 4, 4

• x= -4, -4

• x= -4, 4

Tags

CCSS.8.EE.A.2

Solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve for x.

(x - 7)² + 4 = 40

• x = -1, -13

• x = 1, 7

• x = -1, -7

• x = 1, 13

• x = -7, -13

Tags

CCSS.HSA-REI.B.4B

Solve for x.

5(x - 3)² + 1 = 81

• x = -1, 7

• x = -7, 1

• x = ± 9

• x = 3, 10

Tags

CCSS.HSA-REI.B.4B

Solve (x + 1) ² = 25

• ± 5
• 4  or  -6
• -4  or  6
• ± 4

Tags

CCSS.HSA-REI.B.4B

Solve (x+3)² - 5 = 9

• ±√14 -3
• √14 - 3
• ±11
• ±5

Tags

CCSS.HSA-REI.B.4B