Equations

-3a + 8 = 14

• a= -2
• a= -7.5
• a= 2
• a= 6

Tags

CCSS.7.EE.B.4A

-5 - 6a = -59

• a= 11
• a= -6
• a= 9
• a= 2

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A

Solve.  -7x - 11 = 3

• 2
• 14
• -8
• -2

Tags

CCSS.7.EE.B.4A

Where/what is the mistake?

• Line 2 - You should add 12 to both sides.
• Line 4 - You should multiply both sides by the reciprocal.
• Line 4 - You should multiply both sides by the original fraction. 
• Line 5 - There was a calculation error.

Tags

CCSS.HSA.REI.A.1

An inverse operation is

• reversing the sign in an inequality
• using the opposite operation to solve equations
•  A number’s distance from zero

Tags

CCSS.HSA.REI.A.1

-10z = 40

• z = 50
• z = 30
• z = -4
• z = 4

Tags

CCSS.6.EE.B.7

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

Which equation has x =2 as a solution?

• 3 + x = 10
• 11 + x = 13
• 4x = 32
• 5x =25

Tags

CCSS.6.EE.B.5

What is the inverse operation of adding?

• Adding

• Subtracting

• Multiplying

• Dividing

Tags

CCSS.2.NBT.B.5