Solve Quadratic Equations

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

Solve by taking square roots:

(x + 2)² = 25

• x = 5 or -5

• x = 3 or -3

• x = 7 or -3

• x = -7 or 3

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:

4x² - 1 = 48

• x = 7/2 or -7/2

• x = 2/7 or -2/7

• x = 49/4 or -49/4

• x = 47/4 or -47/4

Tags

CCSS.HSA-REI.B.4B

What value of x make the equation true?

4x² = 100

• ±10

• ±25

• ±5

• 5

Tags

CCSS.8.EE.A.2

Which value of x is the solution to this equation

5m² + 1 = 6

• m = 0

• m = ±1

• m = √7

• m = ±7/5

Tags

CCSS.8.EE.A.2

What is the positive solution to

(x+6)²=49

• x=7

• x=6.56

• x=1

• x=43

Tags

CCSS.8.EE.A.2

Find the solution to this equations
x² - 6x + 5 = 0

• -6, -1
• -5, -1 
• 1, 6
• 5, 1

Tags

CCSS.HSA-REI.B.4B

What is the solution set for
z² - 18z + 81 = 0

• z = 9
• z = -9
• z = 9 or z = -9

Tags

CCSS.HSA-REI.B.4B

What are the solutions of
x² + 2x =8

• 4 and 2
• 4 and -2
• -4 and 2
• -4 and -2

Tags

CCSS.HSA-REI.B.4B

What are the solutions to

27 = z² - 6z

• z = 3 or z = 9
• z = 3 or z = -9
• z = -3 or z = 9
• z = -3 or z = -9

Tags

CCSS.HSA-REI.B.4B