Solving Quadratics by Square Roots

Solve for x

x² = 64

• x = 8, -8

• x = 32, -32

• x = 4, -4

• No real solution

Tags

CCSS.8.EE.A.2

Solve using square roots.
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.8.EE.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Tags

CCSS.8.EE.A.2

Solve using square roots.

• ±√9
• ±3
• ±1
• No real solution

Tags

CCSS.8.EE.A.2

• No solution

Tags

CCSS.8.EE.A.2

• No solution

Tags

CCSS.8.EE.A.2

• No solution

Tags

CCSS.8.EE.A.2

Solve.

3x² = -60

• No Real Number Solution

• x= √20

• x= √60

• x= ±√30

Tags

CCSS.8.EE.A.2

Solve.

x² - 10 = -10

• x= 0

• No Real Number Solution

• x = ±5

• x = 2, 5

Tags

CCSS.HSA-REI.B.4B

Solve.

3x² + 5x + 2 = 0

• x = -2/3 and x = -1

• x = -3/2 and x = -1

• x = 2/3 and x = 1

• x = 2/3 and x = -1

Tags

CCSS.HSA-REI.B.4B