Math 8 Equations Check-in

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

What is the inverse operation of multiplying?

• Adding

• Subtracting

• Multiplying

• Dividing

Tags

CCSS.HSA.REI.A.1

What is the inverse operation of adding?

• Adding

• Subtracting

• Multiplying

• Dividing

Tags

CCSS.2.NBT.B.5

Which of the following is an equation?

• 6x + 2x - 6
• 6x² + 10 = 25
• 6x² + 10 - 25
• 10y - 6 + 34u

Tags

CCSS.6.EE.B.5

Identify the value of the variable that is the solution of the equation x – 125 = 375.

• x = 3
• x = 490
• x = 250
• x = 500

Tags

CCSS.6.EE.B.7

Identify the value of the variable that is the solution of the equation 48 = 6w.

• w = 8
• w = 42
• w = 54
• w = 288

Tags

CCSS.6.EE.B.7

In the equation: 3x + 4 = 7, the first operation you perform is:

• divide by 3 (to both sides)

• multiply by 3 (to both sides)

• subtract 4 (to both sides)

• add 4 (to both sides)

Tags

CCSS.HSA.REI.A.1

4(a + 3) = -32

• -11
• -44
• -20
• -8

Tags

CCSS.7.EE.B.4A

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.