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1. |
Graph the equation  |
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2. |
If the domain of the function is {-6, 2, 5, 9} what is the range? |
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C. |
{-3, -5, 8, 12} |
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3. |
Find the x-intercept and y-intercept of the equation . |
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4. |
What is the solution of the system of equations shown below? |
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A. |
(1, -2) |
B. |
(0, -3) |
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C. |
(3, 0) |
D. |
(0, 0) |
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5. |
Which relation is not a function? |
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A. |
{(-2, 1), (2, 3), (6, 5)} |
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B. |
{(2, 4), (3, 5), (2, 7)} |
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C. |
{(1, 1), (2,2), (3, 3)} |
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D. |
{10, 0), (2, 4), (-2, 4)} |
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6. |
Which graph is not a function? |
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7. |
Find the y- intercept of 4x – 6y = 24. |
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-4 |
B. |
-6 |
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6 |
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4 |
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8. |
Find the slope of the line. |
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-3 |
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9. |
In ski jumping, the K120 ramp rises 435 feet vertically and runs 394 feet horizontally. The K90 ramp rises 318 feet vertically and runs 295 feet horizontally. Which statement is true? |
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A. |
The K90 is steeper than the K120. |
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B. |
It is not possible to determine which ramp is steeper. |
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C. |
Both the K90 and the K120 are equally steep. |
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D. |
The K120 is steeper than the K90. |
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Hint |
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10. |
Suppose y varies directly with x and y = -10 when x = 5. Write an equation relating x and y. |
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y = -2x |
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y = 2x |
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11. |
The direct variation equationy = .1x gives the price y for x minutes of a long distance calling plan. Use the equation to find the cost for a phone call that is 32.5 minutes long. |
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$3.25 |
B. |
$3.30 |
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C. |
$3.28 |
D. |
$3.20 |
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12. |
State the slope and y- intercept of the graph of  |
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13. |
Which of the following is the equation for the given graph? |
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A. |
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14. |
Write an equation in slope-intercept form of a line with slope and y- intercept 0. |
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15. |
Write an equation for the line that passes through (4, -0.5) and (8, -8.5). |
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16. |
Write an equation in slope-intercept form for the best-fit line of a scatter plot with points (12, 9) and (17, 2). |
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y = 1.4x – 7.8 |
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y = -1.4x + 25.8 |
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17. |
A best-fit line has an equation of y = 2.9x + 1.7. Find y when x is 33. |
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y = 90.7 |
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y = 97.4 |
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y = 94.1 |
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y = 94 |
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18. |
Solve the system of equations given byy = 2x – 7 and y = 5. |
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A. |
(3, 5) |
B. |
(-1, 5) |
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C. |
(5, 3) |
D. |
(6, 5) |
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19. |
Match the graph shown with the correct inequality. |
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y < 3x + 2 |
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y < -3x + 2 |
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20. |
Juan has at most 20 hours per week to spend working at his landscaping job and his restaurant job. Write an inequality to represent how much time Juan can spend at each job. |
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x + y < 20 |
B. |
x + y > 20 |
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