Unit 3 Review - Expressions, Equations and Inequalities

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

Tags

CCSS.7.EE.B.4B

Match the graph with its inequality.

• a < 11

• a > 11

• a ≤ 11

• a≥ 11

Tags

CCSS.6.EE.B.8

Choose an expression that is equivalent to the following
6n + 2(3 - 5n)

• n + 6
• 6 - 4n
• 16n + 6

Tags

CCSS.6.EE.A.4

Choose the first step in solving the following equation.

-3y - 12 = 14

• add 3 from both sides

• add 12 to both sides

• subtract 12 from both sides

• subtract 3 from both sides

Tags

CCSS.HSA.REI.A.1

-12x > 36

• x > -3
• x > 48
• x < -3

Tags

CCSS.6.EE.B.8

WRITE AN EQUATION

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• 7x+6=331

• 13x=331

• 6x+7=331

• 331+7=6x

Tags

CCSS.HSA.CED.A.3

 $\frac{1}{9}z\ =\ \frac{5}{9}$  

•  $z\ =\ \frac{5}{81}$  

• z = 5

• z = 9

• z = 3.5

Tags

CCSS.6.EE.B.7

What is the difference between an expression and an equation

• Expressions have an equal sign and equations do not

• Equations have an equal sign and expressions do not

What is the coefficient in this expression? 2x + -9

• x

• -9

• 2

• None of these

What is the simplified form of this expression

3x+4+5x+3

• 15x

• 8x+7

• 7x+8