Quiz 9.3 - Solving Quadratics Using Square Roots

Solve by taking square roots:

5m² + 1 = 6

• m = 1

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.8.EE.A.2

Solve by taking square roots.

x² +12 = 5

• x = ± 49

• No Real Solutions

• x = ± √7

• x = ± 5/12

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• -2, 1
• 1, 2
• -1,2
• 0,-4

Solve by taking square roots.

2(x - 4)² = 200

• ±10

• -14, 6

• -6, 14

• 100

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots.

2x²= 30

• x=± √5

• x= ±√30

• x= ±√15

• x= ±5

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots.

(x - 7)² = 5

• x = -7-√5

• x = 7+√5

• x = ±√5

• x = 7±√5

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots.

2(x−7)² = 32

• 7±√32

• ±√65

• 3 and 11

• -1 and 15

Tags

CCSS.HSA-REI.B.4B

Solve

(x+3)²-5 = 9

• -3 ±√14

• -3 +√14

• ±11

• ±5

Tags

CCSS.8.EE.A.2

Solve: 3x² = -12

• x = -4, 4

• x = 2, -2

• No real solution

• x = 12, -12

Tags

CCSS.8.EE.A.2