Solve Quadratics by Square Root

Simplify √45

• 3√5

• 5√3

• 9√5

• 5√9

Simplify √24

• 4√6

• 2√6

• 6√2

• 2√12

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

Tags

CCSS.HSA-REI.B.4B

x² - 4 = 77

• 9

• -9

• No Real Solutions

• ±9

Tags

CCSS.8.EE.A.2

Solve by taking square roots:

5b² - 4 = 41

• b = ±9

• b = ±3

• b = ±8

• no solution

Tags

CCSS.HSA-REI.B.4B

Solve for m.

4m² + 10 = 38

• m = ±7

• m = 7

• m = √7

• m = ±√7

Tags

CCSS.8.EE.A.2

Solve for x x² - 4 = 76

• x = ±4

• x = ±4√5

• x = ±80

• x = ±5√4

Tags

CCSS.8.EE.A.2

Solve for x.

16x² - 9 = 0

• x = 1.333

• x = ± (4/3)

• x = ± (3/4)

• x = (9/16)

Tags

CCSS.8.EE.A.2

3x² - 1 = 14

• 5

• -√5

• ±√5

• √5

Tags

CCSS.8.EE.A.2

5x² + 9 = 49

• 2√2

• -2√2

• ±2√2

• √8

Tags

CCSS.8.EE.A.2