Square Roots Quadratics

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.8.EE.A.2

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Tags

CCSS.HSA-REI.B.4B

Solve for x: 
(x+6)²=49

• x=7,12

• x=±7

• x=1,-13

• x=43,-55

Tags

CCSS.8.EE.A.2

Solve by factoring
(x - 2 )² = 49

• -5, 8

• ^{7, -7}

• 9, -5

• ^{9, -9}

Tags

CCSS.HSA-REI.B.4B

x²=25

• x = 5

• x = -5

• x = ±25

• x = ±5

Tags

CCSS.8.EE.A.2

x² = 25

• x = -5

• x = 5i, x = -5i

• x = 5

• x = 5, x = -5

Tags

CCSS.8.EE.A.2

x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.8.EE.A.2

Solve using square roots:

x² - 18 = 0

• x = ±√18

• No solution

• x = ±9

• x = 18

Tags

CCSS.8.EE.A.2

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Tags

CCSS.8.EE.A.2

Solve using square roots:

x² + 7 = 89

• x = 9.8

• No real solution

• x = 9.1

• x = 9.1 or x = -9.1

Tags

CCSS.8.EE.A.2