Today you will complete the Unit 5 - Linear Equations Review. You will show your work on notebook paper that will be turned in. No work, no credit.
Question 1
1.
Question 2
2.
Question 3
3.
Find the rate of change demonstrated in the graph below. Enter your answer in the box provided as an improper fraction.
Question 4
4.
Question 5
5.
Question 6
6.
A car repair company charges a $15 fee for an evaluation plus an hourly rate for any services required.
What is the hourly charge for services? __________
Question 7
7.
Question 8
8.
Question 9
9.
Calvin is starting a new job this summer. He has created a table to represent his earnings, which are dependent on the number of hours he works.
7. ___________________ Write an equation to represent y, Calvin’s total earnings based on x the number of hours he works.
Question 10
10.
How much will Calvin earn if he works 15 hours?
Question 11
11.
The staff at the Arcola Country Club prepares tables for a wedding reception. They are able to prepare 6 tables in 2 hours. How many tables can the staff prepare in 7 hours? (7.4D)
Question 12
12.
Samuel uses 1 3/5 meters of pipe when building a bike stand. How many meters of pipe would Samuel
need to build 10 bike stands? (7.3B)
How do you find the rate of change?
find the change in x over the change in y.
find the change in y over the change in x.
find the change between y and x.
What words mean rate of change?
per
each
every
slope
unit rate
rise over run
The carpet is being installed at Ms. Lopez's house. The installation fee is $150.00. The tile is priced at $3.75 per square foot, f. Which equation best represents the total cost, c, of the backsplash?
c = 150f + 375
c = 3.75 – 150f
c = 3.75f + 150
c = 153.75
Which situation could be represented by the graph shown?
Garrett buys lemons for $0.80 each.
Sophia buys 12 lemons for $1.75 each.
Jacob buys 3 lemons for $1.50 each.
Allison purchases lemons for $0.75 each.
The graph shows the number of homework problems Amanda has remaining based on the number of minutes she has been working. Which of the following statements is not true?
Amanda started with 30 homework questions.
Amanda finishes 2 homework questions every
3 minutes.
The graph shows the equation y = -3/2x + 30.
After 10 minutes, Amanda has finished half of
her homework.
6. Which of the following equations best represents the relationship between x and y?