Chapter 3 Math 8th grade

Find the constant rate of change for the graph

• $\frac{2}{3}$ inches per pound

• $\frac{1}{2\ }$ inches per pound

• $1\ \frac{1}{2\ }$ inches per pound

• $\frac{1}{3}$ inches per pound

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CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.6

CCSS.HSS.ID.C.7

The table shows the relationship between the number of minutes y it takes a racecar to complete a lap x on a race track. What is the constant rate of change?

• 5 minutes per lap

• 10 minutes per lap

• 3 minutes per lap

• 15 minutes per lap

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CCSS.HSA.CED.A.2

CCSS.HSS.ID.C.7

Graph the equation using the slope and y intercept

 $y\ =\ 2x\ -\ 3$  

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Use the x- and y- intercepts to graph the function  $-2x\ +\ 7y\ =\ -14$  

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Akala has exactly $3 in quarters, dimes, and nickels. If she has 25 coins, how many of each coin does she have?

• 4 quarters, 16 dimes, 5 nickels

• 6 quarters, 11 dimes, 8 nickels

• 7 quarters, 8 dimes, 10 nickels

• 8 quarters, 3 dimes, 4 nickels

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CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.C.6

Write the point-slope form of an equation for a line that passes through (-1,2) with slope 4.

• $y-1=4\left(x-2\right)$

• $y-2=4\left(x-1\right)$

• $y-2=4\left(x+1\right)$

• $y=2x\ +\ 4$

Write an equation in slope-intercept form for the graph shown.

•  $y=25x+4$  

•  $y=5x-25$  

•  $y=4x+25$  

•  $x=-25y+5$  

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

Find the total cost for a 4-hour bike rental.

• $10

• $20

• $30

• $40

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CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The number of meters in any length varies directly to the number of yards in the same length. Find the measure of an object in meters that is 12 yards long. Write your answer to the ten-thousandth place, as in the table.

• 10.9728

• 11.9827

• 9.7829

• 10.8792

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Solve a system of equations by graphing.
 $2x-y=8$  

 $4x+3y=6$  

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CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.C.7