The table shows the linear relationship between the number of hours Francis worked, x, and the amount of money Francis earned, y.
Based on the table, how much did Francis earn per hour?
Question 2
2.
A hot-air balloon is released at ground level, and it rises into the air at a constant rate. After 5 seconds of the height of the balloon is 20 feet. The balloon continues to rise at the same rate.
Which table shows the relationship between the time in seconds, x, and the height of the balloon in feet, y?
Question 3
3.
The table shows the number of gallons of gasoline in a car’s gas tank after the car has been driven x miles.
When these data are graphed on a coordinate grid, the points all lie on the same line. What are the slope and y-intercept of this line?
Question 4
4.
Triangle PSV is shown on the coordinate grid. The coordinates of each vertex of the triangle are integers.
What is the slope of line PV?
Record your answer and be sure to use the correct place value.
Question 5
5.
Leanor pays a total of $16.50 for every 6 shirts she has dry-cleaned. Which graph models a relationship with the same unit rate?
Question 6
6.
The line graphed on the coordinate grid can be used to determine the number of inches of water added to a swimming pool after different numbers of hours.
Which statement best describes the slope of the graphed line?
Question 7
7.
Judy can decorate 3 cakes in 5 hours. Which graph has a slope that best represents the number of cakes per hour Judy can decorate?
Question 8
8.
The graph of a linear function is shown on the coordinate grid.
What is the slope of the graph of the linear function?
Record your answer in the space provided below. Be sure to use the correct place value.
Question 9
9.
Challenge: Below you will the work of an 8th grade student. Their answer is incorrect; however, some of their work is correct. Justify which is the correct answer and explain what the student might have needed to do to get the correct answer.
Question 10
10.
A model representing a linear equation is shown.
Based on the model, what is the value of x?
Question 11
11.
What value makes the equation below true?
2x - 9 - 4x = x - 12
Question 12
12.
Two student groups went to an amusement park on the same day.
• Group 1 bought 9 tickets and received a $120 discount.
• Group 2 bought 3 tickets and received a $30 discount.
• Both groups spent the same total amount of money on tickets.
• The price of each ticket was the same.
What was the cost of each ticket?
$24.50 per hour
Slope = 25, y-intercept = 375
Slope =−25 , y-intercept = 15
The water is being added at a rate of 1.25 inches per hour.