1. State the slope of each line graphed below.

A.______

B. ______

C. ______

  1. The graph shows a bicycle rider. She

moves at a constant speed. Find the

slope of the line. What does this tell

you about the speed?

slope______

______

  1. Write an equation for the bicycle rider inproblem 2. Use y for the distance and x for the time.

y______

  1. The functions on the graph and the table show two cars on a 500-mile trip.

Car B

Time (h) / 0 / 1 / 2 / 3
Miles Left / 500 / 497 / 488 / 473

Why is the function in the table not linear?

______

It takes Car B almost 13 hours to get home. Which car gets home first? Explain how you know.

______

______

______

  1. Biking at a constant rate, Ellle travels 35 miles in 7 hours. If she travels at the same speed, how far will Elle bike in 9 hours? (Find the unit rate first)
  1. If Maddie earns $8 an hour at her job, what is the slope of the line that represents this situation?
  1. Which equation shows the relationship in the table?

Weeks (x) / 2 / 5 / 10
Trees Planted (y) / 40 / 100 / 200

Ay 2x

By 20x

Cy 2x+ 40

Dy 40x

  1. Give the letter of the line that has the following slope:

Positive slope ______

Negative slope ______

Zero slope ______

Undefined ______

  1. Look at the graph below.

Which is the best interpretation of this graph?

A Brycen earns $20 for each hour

worked.

B For every 10 pieces of candy

Stephanie buys, she pays $1.

C For every 10 students at a dance,

2 teachers are needed as

chaperones.

D A runner runs at a constant rate of

2 miles every 30 minutes.

  1. Amber is traveling by bus to see a friend who moved away from her neighborhood. She has been on the bus for 2 hours and has traveled 120 miles. Which equation can be used to show the distance, d, she will travel in hours, t, assuming the bus will travel at a constant speed?

A d = 2t
B d = 60t
C d = 150t
D d = 155t
  1. Grace is buying fruit at the grocery store. Use the graph below to determine the unit rate.

What is the slope of the graph? ______

What is the rate of change? ______

  1. Nyla helps out at her uncle's ice cream stand over the summer. The graph below shows how much Nyla earns for working at her uncle's ice cream stand.

What is the rate at which Nyla earns money working at her uncle’s ice cream stand? What is the slope of the line that is graphed?

Rate ______Slope? ______

  1. The graph represents the money in Sierra's savings account over a period of five years.

  1. What does the slope of the graph
represent?
B. What is the slope of the graph?
C. If Sierra continues to put money
into her savings account at the same
rate, how much will she have in her
account after nine years?
  1. If the slope of the line is - and the point (1,9) is on the line, find 2 more points on the line.
  1. It costs $122.50 to rent a jet ski for 5 hours. At this rate, how much would it cost to rent the jet ski for only 3 hours?
  1. Find the slope of the line that passes through each of the points listed:
  1. (5, -4) and (-7, 5)
  1. (-2, 0) and ( 0, 10)
  1. (-7, -3) and (-1, 6)
  1. The table below represents points on a line.

x / -2 / 2 / 6 / 10
y / 0 / 6 / 12 / 18

What is the slope of the line?

  1. Determine the rate of change in the graph below.
  1. Find the unit rate for the table & graph below. Who was driving the fastest? Ben or Sally? Describe how you know.
Time (h) / 2 / 3 / 4 / 5
Distance (mi) / 55 / 70 / 85 / 100

Sally