8th Math Unit 5 Re-Test

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Which graph is NOT a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

1.  Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 

• 65
• 92
• 70
• 76

how would you describe this association?

• positive linear strong

• positive linear weak

• positive linear moderate

• no association

Tags

CCSS.HSF-LE.A.1B

What type of association does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

Tags

CCSS.HSS.ID.B.5

If Gold's Gym is looking to buy 30 TVs, how much will each one cost?

• 400
• 750
• 1250
• 0

Tags

CCSS.HSF.IF.A.2

If the debate team practiced for only 1 hour, how many debates are they expected to win?

• 2
• 6
• 10
• 14

What is the solution to this system?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

Tags

CCSS.8.EE.C.8B

Give the equation for the graph

• y = 5x - 3
• y = 4x + 2
• y =-2x + 5
• y = - 2x + 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation that represents this word problem:

Marsha gets a job that pays $15 per hour, and she started the week with $20

• y= 15x + 20

• y= 20x + 15

• y= 15x - 20

• y= 35x

Tags

CCSS.6.EE.C.9