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| 1 | |
Solve 2x = 1. Verify |
| | A) | x = 1 |
| | B) | x = -0.5 |
| | C) | x = –1 |
| | D) | x = 0.5 |
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| 2 | |
The power, P, in watts used by an electrical appliance that draws a current I, in amperes, is given by P = 120I. If a toaster uses 1800 watts, how much current does it draw? |
| | A) | 10 amperes |
| | B) | 15 amperes |
| | C) | 120 amperes |
| | D) | 1800 amperes |
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| 3 | |
What is the solution for the equation 2t – 1 = 5? |
| | A) | t = 5 |
| | B) | t = 3 |
| | C) | t = 1 |
| | D) | t = –1 |
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| 4 | |
If b = –2, which equation is true? |
| | A) | 2b + 1 = –3 |
| | B) | b + 1 = –3 |
| | C) | b – 1 = 1 |
| | D) | 2b – 1 = 3 |
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| 5 | |
What is the opposite operation for multiplication? |
| | A) | addition |
| | B) | subtraction |
| | C) | division |
| | D) | square root |
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| 6 | |
Which equation is modelled by the diagram?
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| | A) | 6 = 3w + 9 |
| | B) | –6 = 3w – 9 |
| | C) | –6 = 9w + 3 |
| | D) | –6 = 3w + 9 |
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| 7 | |
What is the solution for the equation represented in question 6? |
| | A) | w = –5 |
| | B) | w = –2 |
| | C) | w = 2 |
| | D) | w = 5 |
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| 8 | |
Consider the equation 5a – 3 = 12. What is the first operation in the solution? |
| | A) | Subtract 3 from both sides. |
| | B) | Add 3 to both sides. |
| | C) | Multiply both sides by 5. |
| | D) | Divide both sides by 5. |
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| 9 | |
Leo's father is three years older than twice Leo's age. If his father is 31, how old is Leo? |
| | A) | 12 |
| | B) | 13 |
| | C) | 14 |
| | D) | 15 |
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| 10 | |
A square picture is surrounded by a square frame 5 cm wide. The perimeter of the frame is 200 cm. What is the side length of the picture?
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| | A) | 25 cm |
| | B) | 30 cm |
| | C) | 35 cm |
| | D) | 40 cm |
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