Unit 3 Review

This graph represents the positions of two turtles in a race. If a third turtle moves twice as fast as the turtle represented by line g, where would the line fall?

• Below line g

• Above line g

Tags

CCSS.8.EE.B.5

• y+2/x-4 = 3/4

• y+2/x-4 = 3/4

• y+4/x-2 = 3/4

Tags

CCSS.8.EE.C.7B

• row 2 is 77, row 3 is 100, row 4 is 7/5; scale the x-axis 0 to 100 and scale the y-axis 0 to 140

• row 2 is 100, row 3 is 77, row 4 is 7/5; scale the x-axis 0 to 100 and scale the y-axis 0 to 140

Tags

CCSS.8.EE.B.5

Determine the constant of proportionality for this table.

• k=0.11

• k = 82.5

• k = 8.5

Tags

CCSS.HSF-LE.A.1B

• y=3/2x

• y = 2/3x

Tags

CCSS.8.EE.B.5

What is the rate of change for each situation.

• Claire- $0.10 per envelope; Hans-$0.05 per envelope

• Claire-$0.05 per envelope; Hans- $0.10 per envelope

• Claire- $10 per envelope; Hans- $20 per envelope

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The constant of proportionality is the same value as...

• slope

• rate of change

• all of the above

Tags

CCSS.HSF-LE.A.1B

Note that the rate of change of the linear relationship is the same value as the _______ of a line representing the relationship.

Tags

CCSS.8.EE.B.5

How can you tell if a linear relationship is proportional or not?

• If the line is straight

• If the line goes up

• If the line goes through the origin (0,0)

Tags

CCSS.8.EE.B.5

The point where the line crosses the y-axis is called the ________. (spelling is important here)

Tags

CCSS.HSF.IF.B.4