7th 5 Topic Inequalities Practice Test

Which graph represents a proportional relationship through the point (2,3)?

• 
• 
• 
• 

Answer explanation

Graphs of proportional relationships are straight lines through the origin (0,0).

Tags

CCSS.8.EE.B.5

Which equation represents a proportional relationship passing through the point (8,3)?

Answer explanation

y=kx is the equation for a proportional relationship. k=y/x, is the equation for finding the constant of proportionality. (x,y)

Tags

CCSS.7.RP.A.2C

Talon eats at a restaurant and has a bill of $26.83. He wants to leave an 15% tip for his waitress. What is his total bill including tip?

• $4.02

• $30.85

• $29.76

• $22.81

Answer explanation

Total = x + .15x where x is the original bill.

Tags

CCSS.6.RP.A.3C

Lauren estimates she will get a 80% on her test. She actually earns an 87%. What was her percent error?

• 8%

• 8.8%

• 92%

• 1.088%

Answer explanation

Error/Actual

Tags

CCSS.6.RP.A.3C

• x < 2

• x > 2

• x < 8

• x > 8

Answer explanation

Subtract the constant of 6 from both sides, then divide by 2.

Tags

CCSS.7.EE.B.4B

• x < -10

• x > -10

• x < 2

• x > 2

Answer explanation

Subtract the constant of 22 from both sides, then divide both sides by (-2) remembering to switch the direction of the inequality.

Tags

CCSS.7.EE.B.4B

• x < -24.7

• x > -24.7

• x < 12

• x > 12

Answer explanation

Distribute, combine like terms, solve.

Tags

CCSS.7.EE.B.4B

• x < 4

• x > 4

• x < -4

• x > -4

Answer explanation

Distribute, combine like terms, solve.

Tags

CCSS.7.EE.B.4B

Which inequality is represented by the graph.

Answer explanation

Open circle: <,>

Closed circle <=, >=

Tags

CCSS.6.EE.B.8

Which inequality is represented by the graph.

Answer explanation

Open circle <,>

Closed circle <=, >=

Tags

CCSS.6.EE.B.8