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| 1 | |
If y = 2x + 1, then the x is a(n) ________. |
| | A) | equation |
| | B) | constant |
| | C) | variable |
| | D) | expression |
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| 2 | |
Zoltan made squares using toothpicks. The first had one toothpick on a side. The second had two toothpicks, and so on. If the number of toothpicks on a side is represented by n, what expression represents the perimeter of the square? |
| | A) | 4n |
| | B) | n + 4 |
| | C) | n – 4 |
| | D) | 4 – n |
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| 3 | |
The relation shown is linear. What is the unkown value of y?
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| | A) | 6 |
| | B) | 7 |
| | C) | 8 |
| | D) | 9 |
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| 4 | |
Consider the relation y = 2x + 3. If y = 9, what is the value of x? |
| | A) | 0 |
| | B) | 1 |
| | C) | 2 |
| | D) | 3 |
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| 5 | |
The table of values represents the relation y = 3x + b. What is the value of b?
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| | A) | –1 |
| | B) | 0 |
| | C) | 1 |
| | D) | 2 |
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| 6 | |
A trench-digger rents for $150 plus $75 per hour. Which equation models the cost C for h hours rental? |
| | A) | C = 150h + 75 |
| | B) | C = 75h + 150 |
| | C) | C = 75h – 150 |
| | D) | C = 150h – 75 |
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| 7 | |
Consider the relation y = –3x + 2. What happens to the value of y when the value of x increases by 1? |
| | A) | y increases by 2. |
| | B) | y decreases by 2. |
| | C) | y increases by 3. |
| | D) | y decreases by 3. |
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| 8 | |
Ticket prices for the school musical production are shown in the graph. What is the price for one ticket?
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| | A) | $5 |
| | B) | $10 |
| | C) | $20 |
| | D) | $25 |
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| 9 | |
Refer to the graph in question #8. What does the point with coordinates (3, 15) represent? |
| | A) | The cost of a ticket is $3. |
| | B) | The cost of a ticket is $15. |
| | C) | 3 tickets cost $15. |
| | D) | 15 tickets cost $3. |
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| 10 | |
Consider the graphs of the relations y = –3x + 1 and y = 3x – 1. Which statement is true? |
| | A) | Both graphs cross the y axis at the same point. |
| | B) | The first slopes downwards from left to right, while the second slopes upwards. |
| | C) | The first slopes upwards from left to right, while the second slopes downwards. |
| | D) | The graphs never cross. |
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