Factoring by Square root

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Tags

CCSS.8.EE.A.2

Solve.

x² +12 = 5

• x = ± 49

• No Real Solutions

• x = ± √7

• x = ± 3.5i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve by taking square roots:
5m² + 1 = 6

• m = 0
• m = 1 or -1
• m = √7
• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

Solve.

(2x - 4)² = 16

• x = 4

• x = 10

• x = -2

• x = 0, 4

Tags

CCSS.HSA-REI.B.4B

Solve.

k² - 6 = 43

• k = √37

• k = ±37

• k =±7

• No Real Number Solution

Tags

CCSS.8.EE.A.2

Solve.

5b² - 4 = 41

• b = ±9

• b = ±3

• b = ±8

• No Real Number Solution

Tags

CCSS.8.EE.A.2

Solve.

4m² - 100 = 0

• m= ±25

• m=96

• m= ±5

• No Real Number Solution

Tags

CCSS.8.EE.A.2

Solve.

x² - 4 = 76

• No Real Number Solution

• x = ±4√5

• x = ±80

• x = ±5√4

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.

-3x² = 99

• x= √33

• x= ±√33

• No Real Number Solutions

• x= -√33

Tags

CCSS.8.EE.A.2