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1. |
Which is the graph of the equation y = 2x2 - 1? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
Joy walks slowly and steadily across her living room. Describe the graph below. |
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A. |
Joy is walking slowly from left to right. |
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B. |
Joy is walking slowly from right to left, stopping in the middle of the room, then walking slowly from left to right. |
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C. |
Joy is walking slowly from left to right, stopping in the middle of the room, then walking slowly from right to left. |
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D. |
Joy is walking slowly from right to left. |
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Hint |
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3. |
Describe the graph below. |
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A. |
A person walking from the right side of a room to the left, moving faster as time passes. |
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B. |
A person walking from the left side of a room to the right, moving slower as time passes. |
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C. |
A person walking from the right side of a room to the left, moving at a constant speed. |
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D. |
A person walking from the left side of a room to the right, moving faster as time passes. |
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Hint |
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4. |
Use the graph to find the positive solution to 475 = 4.9x2. |
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A. |
x = 9.8 |
B. |
x = 9.3 |
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C. |
x = 8.1 |
D. |
x = 8.9 |
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Hint |
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5. |
Kathleen started her after school job at the grocery store. She gets a paycheck every two weeks, which she deposits in her bank account. Every week, she takes out $20 of spending money. Kathleen drew a table showing how much she is going to be able to save in the next 12 weeks. What is the balance on Feb. 26? |
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A. |
$805 |
B. |
$785 |
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C. |
$710 |
D. |
$925 |
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Hint |
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6. |
Find the example that does not model a repeating pattern involving weather. |
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A. |
path of a hurricane |
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B. |
arrival of the seasons |
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C. |
yearly precipitation patterns |
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D. |
daily temperature variations |
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Hint |
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