Linear Equations and Graphing

In the equation, y = mx + b, the letter b is the ___________.

• y-intercept
• x-intercept
• slope
• rate of change

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the slope from the table.

• -4
• 1
• 4
• -2

Tags

CCSS.8.EE.B.5

Which equation is being represented by this line?

• y = -1x + 2
• y = 1/2x + 2
• y = 3x -4
• y = -3x +2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The total amount of allowance that Matt receives depends on the number of chores (x) he completes each week. He received $25 in allowance the week he did 10 chores and he received $15 in allowance the week he did 5 chores. What equation represents this situation?

• y = 2x + 5

• y = 1/2x + 10

• y = x/2 + 5

• y = x + 15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

• c = 2.75b + 4

• c = 2.75b

• c = 4b- 2.75

• c = 2.75b - 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which vocabulary term does not mean slope?

• change in y divided by change in x
• unit rate
• initial value
• constant rate of change

Tags

CCSS.8.EE.B.5

You earn $18 for every hour you work. Which equation represents this function?

• y=(18/2)x + 0
• y = 18x
• y = 2x + 18
• y = 18x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Identify the y-intercept for the function:
y=-3x

• -3
• 0
• 1
• -1

Consider the equation:

y= - x + 4

Identify the slope and y-intercept.

• m=4, b=-x

• m=-x, b=4

• m=1, b=4

• m=-1, b=4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Given the equation y = 2x+3, what is the slope and y-intercept?

• m=2, b = 3

• m=x, b=y

• m=3, b=2

• m=3/2, b=(2-3)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3