1. Two stores sell cherries at different prices per pound.
STORE P
STORE Q
-Sells 3.5 pounds of cherries for $13.30
Slope: ____________
Slope: ____________
What units does the slope represent?
What units does the slope represent?
Equation: _________________
Equation: ____________________
What does the “y” represent?
What does the “y” represent?
What does the “x” represent?
What does the “x” represent?
How much does 10 pounds of cherry cost?
How much does 10 pounds of cherry cost?
Which store is cheaper for 10 pounds of cherry? How much cheaper?
2. Alicia and Melissa did jumping jacks. The table below shows the number of jumping jacks that Alicia had done in
different amounts of time.
ALICIA
MELISSA
Unit Rate: ______________
Unit Rate: ____________
What units does the slope represent?
Which choice best describes the different between the rates at which the girls did jumping jacks?
A.
B.
C.
D.
Melissa did 6 more jumping jacks per minute than Alicia
Alicia did 6 more jumping jacks per minute than Melissa
Melissa did 5 more jumping jacks per minute than Alicia
Alicia did 5 more jumping jacks per minute than Melissa
3. On Monday, Mr. James made an eight-hour trip to his mother’s house in his car. The graph below shows the
distance he had traveled at different times.
Monday Slope: ________________
What units does the slope represent?
On Tuesday, he drove home. His speed on Tuesday was
5 miles per hour FASTER than for the trip on Monday.
Tuesday Slope: ________________
Tuesday’s Equation:
4.
The graph below shows the time and distance traveled by four cars.
Which car traveled at the greatest average speed?
How do you know?
Which car traveled at the least average speed?
How do you know?
5. Reliable Auto Car uses the equation y = 55x, where y represents the labor cost
for a car repair based on x hours of work. The table to the right shows the labor
cost at City Auto Repair for different numbers of hours worked.
Reliable Auto Care
City Auto Repair
Slope:
Slope:
What are the units for the slope?
Which place is cheaper per hour?
How much cheaper?
Which statement is true?
A. Reliable Auto Care charges $5 more per hour for labor than City Auto Repair.
B. City Auto Repair charges $5 more per hour for labor than Reliable Auto Care.
C. City Auto Repair charges $45 more per hour for labor than Reliable Auto Care.
6.
7. Sheila and Adam each drove their own car home for the holidays. The equation y = 50x represents the average
distance Sheila drove after x hours. The graph below shows the average distance Adam drove.
Sheila
Adam
Equation: ______________________
Slope: _________________________
What does the x represent?
What does the y represent?
Use the equation, how far can Sheila drive in 3 hours?
Slope: _____________________________
Equation: __________________________
What does the x represent?
What does the y represent?
Use the equation, how far can Adam drive in 3
hours?
Who drove farther? _____________________________
8.
How much farther? _______________________