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.

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.

x²=9

• x = ±9

• x = ± 3

• x = 0

• x = ± √3

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.

9x² = 16

• x = ±4/3

• x= 4/3

• x= -4/3

• No Real Number Solutions

Tags

CCSS.HSA.REI.B.4

Solve.

x² - 2x - 48=0

• x = 8, x = 6

• x = 8, x = -6

• x = -8, x = 6

• No Real Number Solution

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve.

x² - x - 90 = 0

• x = 9, x = 10

• x = 9, x = -10

• No Real Number Solutions

• x = -9, x = 10

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve.

(x+10)(x-2) = 0

• x= 10 and 2

• x= -2 and 10

• x= -10 and 2

• x= -2 and -10

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve.

(x - 2)(3x + 1) = 0

• x=2 and -1

• x= -2 and 1

• x= 2 and -3

• x=2 and -1/3

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4