Solve by Square Rooting & Simplifying Radicals

Solve:

5x² - 7 = 173

• x = 36

• x = 6

• x = 36 or x = -36

• x = 6 or x = -6

Solve:

3x² + 18 = 6

• x = 4 or x = -4

• x = 2 or x = -2

• No solutions

• x = 8 or x = -8

Tags

CCSS.8.EE.A.2

Solve:

8(x² - 3) + 7 = -17

• x = 1 or x = -1

• x = 0

• No solutions

• x = 3 or x = -3

Tags

CCSS.8.EE.C.7B

Simplify:

√64

• 8√8

• 4√4

• 8

• 2√16

Simplify:

√80

• 4√5

• 2√20

• 10√8

• 8√10

Simplify:

√56

• 2√28

• 2√14

• 4√14

• 7√8

Simplify:

√90

• 9√10

• 3√10

• 10√3

• 10√9

Simplify:

6√8

• 2√2

• 12√2

• 24√2

• 12√4

Simplify:

3√100

• 30

• 30√3

• 30√10

• 10√10

Simplify:

-3√50

• -30√5

• -15√10

• -75√2

• -15√2