8.9A Systems of Equations Checkpoint

Solve for x and y
y = -3/2x + 8
y = 19 - 7x

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The two lines graphed on the coordinate grid each represent an equation. Which ordered pair represent the solution to both equations?

• -4,0

• -2,4

• 0,4

• 1,-2

Tags

CCSS.8.EE.C.8B

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• 
• 

Tags

CCSS.8.EE.C.8B

The two lines on the coordinate plane each represent a linear equation.Which ordered pair represents the solution for both equations?

• 6,-4

• 6,4

• -4,-6

• -4,6

Tags

CCSS.8.EE.C.8A

Justin and David both have part-time jobs. The graph shows how much money each friend earns after working a given number of hours. How many hours will Justin and David each need to work in order to earn the same amount of money?

• 3 hours

• 4 hours

• 5 hours

• 6 hours

Tags

CCSS.8.EE.C.8C

The graph shows the growth of two plants that were planted on the same day.Based on the graph, which statement is true?

• By 7 months, both plant 1 and plant 2 will be 42 inches tall.

• By 8 months, both plant 1 and plant 2 will be 45 inches tall

• By 9 months, both plant 1 and plant 2 will be 48 inches tall.

• By 10 months, both plant 1 and plant 2 will be 54 inches tall.

Solve for x and y
y = 3x - 10
y = 2x 

• (0,-10)
• (-10,0)
• (2,-4)
• (10,20)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The graph shows the cost of using two different rideshare companies to travel a given number of miles.For how many miles will the cost of using both rideshare companies be the same?

• 1 mile

• 3 miles

• 1.5 miles

• 4 miles

Tags

CCSS.8.EE.C.8C

The equations of two lines are:
 y = 2x - 4 and y= - 2x + 8
What is the value of x in the solution for this system?

• x = 8
• x = 3
• x = 2
• x = 5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6