Solving Quadratics by Factoring/Taking Square Roots

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.HSA-REI.B.4B

Solve.

x² - 4 = 76

• No Real Number Solution

• x = ±4√5

• x = ±80

• x = ±5√4

Tags

CCSS.8.EE.A.2

Solve.

x²=9

• x = ±9

• x = ± 3

• x = 0

• x = ± √3

Tags

CCSS.8.EE.A.2

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

Solve.

4x² + 11x - 3 = 0

• x = -3/4 and x = -1

• x = 4 and x = 3

• x = 1/4 and x = -3

• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

Solve.

x² - 2x - 48=0

• x = 8, x = 6

• x = 8, x = -6

• x = -8, x = 6

• No Real Number Solution

Tags

CCSS.HSA-REI.B.4B

Solve.

x² - x - 90 = 0

• x = 9, x = 10

• x = 9, x = -10

• No Real Number Solutions

• x = -9, x = 10

Tags

CCSS.HSA-REI.B.4B

Solve.

x² + 5x - 14 = 0

• x = 1, x = 14

• x = -1, x = -14

• x = 2, x = -7

• No Real Number Solutions

Tags

CCSS.HSA-REI.B.4B