Finding Solutions of Quadratics

Solve

x² - 24 = -2x

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve:

x² - 40= 9

• x = -7, x = 7

• x = -7

• x = 7

• x = -7, x = 1

Tags

CCSS.8.EE.A.2

What are the zeros to the equation

x² - 2x = 8?

• x = 2 or x = -4

• x = 1 or x = -8

• x = 4 or x = -2

• x = 8 or x = -1

Tags

CCSS.HSA-REI.B.4B

Find the solutions

y² + 10y = -9

• 1 and -12

• -1 and -9

• 1 and -9

• 1 and -1

Find the zeros

x²+ 6x - 4 = 36

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

Tags

CCSS.HSA-REI.B.4B

What are the two solutions to 
(x + 4)² = 25

• x = 1 and x = -1
• x = 1 and x = -9
• x = -9 and x = 9
• x = ±√21

Tags

CCSS.HSA-REI.B.4B

What are the x-intercepts of

(x + 2)² = 100

• (√98,0) and (-√98,0)

• (8,0) and (-8,0)

• (8,0) and (-12, 0)

• no solutions

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the solutions to  $2x^2+7x+9=3$  

• -2 and 1

• no solution

• -2 only

• -2 and -4

Tags

CCSS.HSA-REI.B.4B

Solve

x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

• m=9 only

• m=9 m=-9

• m=-9 only

• No real solution