Unit 7 Quiz 7A

What does it mean if an equation simplifies to 0=0?

• It has 1 solution.

• It has no solution.

• It has infinitely many solutions.

Tags

CCSS.8.EE.C.7A

What does it mean if an equation simplifies to 4=15?

• It has 1 solution.

• It has no solution.

• It has infinitely many solutions.

Tags

CCSS.8.EE.C.7A

A contractor bought 8.2 ft² of sheet metal. He has used 2.1 ft² so far and has $183 worth of sheet metal remaining. The equation 8.2x-2.1x=183 represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square foot?

• $30.00

• $19.68

• $22.32

• $87.14

Tags

CCSS.8.EE.C.7B

Adan is choosing between two health clubs. After how many months will the total cost for each health club be the same?

Health Club 1: Membership $22, Monthly Fee $24.50

Health Club 2: Membership $47, Monthly Fee $18.25

• 4 months

• 3 months

• 5 months

• 7 months

Tags

CCSS.8.EE.C.8C

• one solution

• no solution

• infinitely many solutions

Tags

CCSS.8.EE.C.7A

• one solution

• no solution

• infinitely many solutions

Tags

CCSS.8.EE.C.7A

• one solution

• no solution

• infinitely many solutions

Tags

CCSS.8.EE.C.7A

• one solution

• no solution

• infinitely many solutions

Tags

CCSS.8.EE.C.7A

• x=30

• x=-32

• x=-12

• x=32

• no solution

Tags

CCSS.8.EE.C.7B

• x=-32

• x=30

• x=-12

• x=32

• no solution

Tags

CCSS.8.EE.C.7B