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- 1. Multiple Choice
This graph displays the distance traveled by a cart as a function of time in seconds. At which time interval is the cart moving slowest?
Between A and B
Between B and C
Between C and D
Between D and E
- 2. Multiple Choice
A construction company charges a fee for estimating the cost of the job plus an hourly rate based on the number of hours the job will take. The table below shows the total charges for a job at different lengths of time. Which equation BEST represents the linear relationship between h, the number of hours the job takes and C, the total charge of the job?
C=70h+225
C=75h+175
C=80h+125
C=85h+50
- 3. Multiple Choice
Look at the equation:
y=3x+A
For what value of A will the graph of the equation have an x-intercept of -2?
-2
-6
0
6
- 4. Fill in the Blank
What's the y-intercept of the equation 3x - 2y = 2
- 5. Fill in the Blank
Identify the y-intercept of the equation g(x) = 2x - 2
- 6. Fill in the Blank
Identify the y-intercept of the table provided.
- 7. Fill in the Blank
Use the following piecewise function find f(-5)
- 8. Fill in the Blank
Using the following piecewise function, find the 3 points in the table for the second equation
- 9. Multiple Choice
A rock climber recorded his height at various times. Part of his data is below.
8AM ----- 42 ft.
11AM ----- 105 ft.
Which calculation could be used to determine the average rate of change between these two altitudes?
subtract 8 from 11
subtract 42 from 105
Find the slope between (0, 0) and (11, 105)
Find the slope between (8, 42) and (11, 105)
- 10. Multiple Choice
Using the piecewise function provided, which equation should have an open circle when graphed?
-3x - 4
3x + 2
Both
Neither
- 11. Fill in the Blank
Last summer you earned $1,200 mowing lawns. If you charge $20 per lawn, write an equation to model how much you have in your savings.
- 12. Fill in the Blank
Last summer you earned $1,200 mowing lawns. If you charge $20 per lawn, how many lawns must you mow this summer to reach your goal of $2,500?
- 13. Multiple Choice
This table shows a relationship between x and y.
Which statement describes
the relationship between
these x- and y-values?
y-values are 1 less than x-values
y-values are equal to twice the x-values
y-values are three less than twice the x-values
y-values are two less than three times the x-values.
- 14. Multiple Choice
Which situation described can be modeled as
y=30x+70
Kevin has $70 and the video game he wants costs $30. Let y equal the amount of money he needs to be able to purchase the video game.
Shawn makes a $30 down payment and then makes $70 payments through mail. Let y equal the total amount he paid for the TV.
Tom wants to get new landscaping done at his house. There is a $30 labor charge for the company to plant his purchases, plus the $70 cost for the greenery. Let y equal the amount he paid for the landscaping, including buying the greenery.
A company consultant charges $70 for the initial meeting and then charges $30 per hour thereafter. Let y equal the total amount the consultant charges, in dollars.
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