Solving Quadratics Using Inverse Operations

To solve the equation
x + 5 = 8
 I would ....

• subtract 5 from x
• subtract 5 from both sides
• subtract 5 from one side and add 5 to the other
• add 5 to both sides

Tags

CCSS.6.EE.B.7

in 3a =12,
I would....

• add 3 to both sides
• subtract 3 from both sides
• divide both sides by 3
• divide just the right by 3

Tags

CCSS.HSA.REI.A.1

Choose the first step in solving the following equation.

-3y² - 12 = 14

• take square root on both sides

• add 12 to both sides

• subtract 12 from both sides

• divide -3 on both sides

Tags

CCSS.HSA-REI.B.4B

x² = 16

• x=4 or x= -4

• x=8 or x=-8

• x=4

• x=8

Tags

CCSS.8.EE.A.2

x²=25

• x = 5
• x = -5
• x = ±25
• x = ±5

Tags

CCSS.8.EE.A.2

x²−10=19

• x = √29

• x = ±√29

• x = ±29

• x = ±3

Tags

CCSS.8.EE.A.2

x² + 4 = 68

• x=8 or x= -8

• x= √8 or x=-√8

• x=8

• x=64 or x=-64

Tags

CCSS.8.EE.A.2

Solve for x
x² - 3 = 78

• -9,9
• 9
• -9
• -√75, √75

Tags

CCSS.8.EE.A.2

-5x² = -50

• ± 5
• ± 10
• ± √10
• -10

Tags

CCSS.8.EE.A.2

2x²= 30

• x= √5

• x= √30

• x= ±√15

• x= ±5

Tags

CCSS.8.EE.A.2