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

Like terms are 

• numbers or same variable raised to the same power
• equal numbers
• only unknown values

Tags

CCSS.6.EE.A.2B

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

• n + 6
• 6 - 4n
• 16n + 6

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.6

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

-12x > 36

• x > -3
• x > 48
• x < -3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8

(6x + 3y + 4) + (x + y + 5)

• 5x + 2y + 9

• 7x + 2y + 9

• 7x + 4y + 9

• 5x + 2y -1

-3x + 5 = -13

• x = -5

• x = 2

• x = -6

• x = 6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

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

3x + 19>10

• x < 3

• x > 3

• x < -3

• x > -3