Solve by Factoring & Square Root Method

Solve: x² = 16

• x = ± 4

• x = ± 8

• x = 4

• x = 8

Tags

CCSS.8.EE.A.2

Solve: 3x² = 12

• x = ± 2

• x = 2

• x = ± √12

• x = ± 4

Tags

CCSS.8.EE.A.2

Solve: x² + 4 = 68

• x = ± 8

• x = ± √8

• x = 8

• x = ± 64

Tags

CCSS.8.EE.A.2

Solve: (x + 1) ² = 25

• x = ± 5

• x = 4, x = -6

• x = -4 x = 6

• x = ± 4

Tags

CCSS.8.EE.A.2

Solve

x² + 2x - 20 = 4

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve: x² - 2x = 0

• x = 2, x = 0

• x = -2, x = 0

• x = 2

• x = 0

Tags

CCSS.HSA-REI.B.4B

Solve: x² - 4 = 76

• x = 4 , -4

• x = 4√5 , -4√5

• x = 80 , x = -80

• x = 5√4 or -5√4

Tags

CCSS.8.EE.A.2

Solve: 3x² - 1 = 14

• x = 5

• x = -√5

• x = -√5, x = √5

• x = √5

Tags

CCSS.8.EE.A.2

 $2x^2+4x-16$  

• x = -4, x = 2

• x = -2, x = 4

• x = -16

• x = -4

Tags

CCSS.HSA-REI.B.4B

Solve:  $2x^2-x-15=0$  

•  $x=-\frac{5}{2}$  and  $x=3$  

•  $x=\frac{5}{2}$  and  $x=-3$  

•  $x=\frac{5}{2}$  and  $x=3$  

•  $x=-\frac{5}{2}$  and  $x=-3$  

Tags

CCSS.HSA-REI.B.4B