8th Grade Math Review

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Tags

CCSS.7.RP.A.2D

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.6.EE.C.9

Does this graph represent a proportional relationship?

• Yes, because the line is pretty.
• No, because the line goes through the origin.
• Yes because the line goes through the origin.
• No, because the graph is non-proportional.

Tags

CCSS.7.RP.A.2D

Find the slope that passes through the points (-1,-4) (2,2)

• 1/2

• 2

• 3/4

• 6/1

Tags

CCSS.8.EE.B.5

In the equation y=mx+b, what does the m represent?

• slope
• y-intercept
• linear
• point-slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What does 'b" represent in y=mx+b

• y-intercept
• macaroni
• nothing
• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

How would you write the equation with a slope of 2/3 and a y-intercept of -3

• y=3/2x+3
• y=2/3-3
• y=2/3x-3
• y=2/3x+3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of this graph?

• 3/2
• -2
• 2/3
• -2/3

Tags

CCSS.8.EE.B.5

For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation for the cost, C, after h hours of babysitting. 

• C = 5h + 3
• C = 3h + 5
• H = 5c + 3
• H = 3c + 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9