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- 1. Multiple Choice
The graph shows the cost of hiring a plumber. What is the rate of change (or hourly rate)?
$60
$50
$46
$40
- 2. Fill in the Blank
Solve for x:
- 3. Multiple Choice
What is the slope of the line that passes through the point (-13, -8) and (13, 8)
8/13
13/8
-8/13
-13/8
- 4. Multiple Choice
The graph of f(x) = x has been transformed to g(x) = f(x) - 3. What shift does this indicate?
A vertical shift up 3 units
A vertical shift down 3 units.
A horizontal shift left 3 units.
The graph will become less steep.
- 5. Multiple Choice
What is the equation of a line perpendicular to the one graphed and passes through the point (2, 2)?
- 6. Multiple Choice
Each month, Mr. Disen pays $700 for rent, plus an additional fee of $5.95 for every terabyte of internet bandwidth he uses. Which function can find Mr. Disen's total monthly cost (y), based on the number of terabytes of data he uses (x)?
y = 700 - 5.95x
y = 5.95x
y = 700x + 5.95
y = 700 + 5.95x
- 7. Multiple Choice
Find the rate of change.
2
-2
1/2
-1/2
- 8. Multiple Choice
y varies directly with x. Which equation maps the relationship if y = 15/4 when x = 20?
y = 20x
y = 15/4x
y = 15/16x
y = 75x
- 9. Multiple Choice
Which equation represents a line that passes through (-1, 15) and (-2, 10)?
5x + y = -20
5x + y = 20
5x - y = -20
5x - y = 20
- 10. Multiple Choice
Which equation models this sequence?
y = -4n + 45
y = -4n + 15
y = -4n + 41
y = -4n + 33
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