Chapter 7 CC3 8th grade CPM

Write an equation from the table.

• y = -5/3 x + 3

• y = 3x -5

• y= -5x +3

• y = -3/5 x -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.B.4

Which graph does this line belong to? y = -1/2 x + 1

• 
• 
• 
• 

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CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

Solve for x:

• -14

• 14

• -11

• 10

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CCSS.8.EE.C.7

What is the equation of this line?

• 2x + 1

• y= 2x + 1

• y = 1/2 x + 1

• 1/2x + 1

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CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

What type of association is shown by the scatter plot?

• Positive
• Negative
• None

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CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which graph represents a proportional relationship?

• F

• G

• H

• J

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.5

What is the slope of the line shown by the similar triangles in the graph?

• -4/3 = -8/6 = /4/3

• -4/-3 = -8/-6 = 4/3

• 3/-4 = 6/-8 = -3/4

• 3/4 = 6/8 = 3/4

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

What is the unit rate for one six pack of soda?

• $3.00

• $3.25

• $2.50

• $2.25

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CCSS.8.EE.B.5

CCSS.8.F.B.4

What is the slope and y-intercept of the graph?

• F. 2, ( 0, 16)

• G. -2, ( 0, 16)

• H. 1/2, ( 8, 0)

• J. -1/2, ( 8, 0)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.2

CCSS.8.SP.A.3

The cost of buying gasoline is directly proportional to the number of gallons purchased. If 12 gallons cost $31.08, how many gallons can be purchased for $38.85?

• 25

• 16

• 15

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.2