Solving Quadratics by Square Roots and Factoring

Solve.

k² - 6 = 43

• k = √37

• k = ±37

• k =±7

• No Real Number Solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve.

5b² - 4 = 41

• b = ±9

• b = ±3

• b = ±8

• No Real Number Solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve.

4m² - 100 = 0

• m= ±25

• m=96

• m= ±5

• No Real Number Solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve.

x² - 4 = 76

• No Real Number Solution

• x = ±4√5

• x = ±80

• x = ±5√4

Tags

CCSS.HSA.REI.B.4

Solve.

3x² = -60

• No Real Number Solution

• x= √20

• x= √60

• x= ±√30

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve.

x²=9

• x = ±9

• x = ± 3

• x = 0

• x = ± √3

Tags

CCSS.HSA.REI.B.4

Solve.

-3x² = 99

• x= √33

• x= ±√33

• No Real Number Solutions

• x= -√33

Tags

CCSS.HSA.REI.B.4

Solve.

x² - 10 = -10

• x= 0

• No Real Number Solution

• x = ±5

• x = 2, 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

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.CED.A.1

CCSS.HSA.REI.B.4

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.4