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1. |
Kurt is saving to buy a new computer. The computer he wants costs $1299. He has already saved $732. Write an inequality to determine the least amount he must still save. |
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A. |
1299 + s 732 |
B. |
732 + s 1299 |
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C. |
732 + s 1299 |
D. |
1299 + s 732 |
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Hint |
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2. |
Which graph represents a function? |
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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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3. |
Students from the local high school are selling tickets to the town's annual carnival. Adult admission is $5.00 and child admission is $2.50. Two hours after the carnival opened its first day, 440 tickets had been sold totaling $1900. How many adults and how many children entered the carnival during the first two hours it was open? |
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A. |
380 adults, 760 children |
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B. |
220 adults, 220 children |
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C. |
320 adults, 120 children |
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D. |
293 adults, 147 children |
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Hint |
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4. |
Simplify (7a4b) (8a7b6). |
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A. |
56a28b6 |
B. |
15a11b7 |
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C. |
15a28b6 |
D. |
56a11b7 |
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Hint |
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5. |
Find (4r + 7s)(4r - 7s) |
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A. |
16r2 + 49s2 |
B. |
16r2 - 56rs + 49s2 |
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C. |
16r2 - 49s2 |
D. |
16r2 + 56rs + 49s2 |
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Hint |
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6. |
Simplify the expression 2a + 7b + 12a + 3b and then evaluate if a = 2 and b = -2. |
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A. |
10a + 14b; -8 |
B. |
14a + 8b; 12 |
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C. |
14a + 10b; 8 |
D. |
9a + 15b; -12 |
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Hint |
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7. |
Find the difference:  |
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A. |
3x2 - 7x - 5 |
B. |
-3x2 - 7x + 1 |
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C. |
-3x2 - 7x - 5 |
D. |
-3x2 + x - 5 |
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Hint |
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8. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
Variables x and y are not proportional. |
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B. |
The equation has the form y = mx. |
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C. |
The graph does not pass through (0, 0). |
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D. |
The equation has the form y = mx + b. |
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Hint |
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9. |
Find the table that represents a graph with direct variation. |
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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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10. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –2x + 1 |
B. |
y = –x – 1 |
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C. |
y = –x + 2 |
D. |
y = –x – 2 |
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Hint |
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11. |
A ball is launched straight up from ground level modeling the equation h = 52t – 10t2, where h stands for height in meters and t stands for time. What is the approximate value of t when the ball hits the ground? |
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A. |
5.2 seconds |
B. |
2.6 seconds |
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C. |
6.0 seconds |
D. |
0 seconds |
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Hint |
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12. |
A ball is launched straight up from ground level modeling the equation h = 52t – 10t2, where h stands for height in meters and t stands for time. On its way up, it reached a particular height at 1 second. On its way down, it again reached the same height. At approximately what time did it reach that height the second time? |
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A. |
4.2 seconds |
B. |
3.5 seconds |
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C. |
2.0 seconds |
D. |
5.2 seconds |
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Hint |
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13. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth. x(x – 7) = 36 |
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A. |
x = 3.26, x = 6.31 |
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B. |
x = –15.96, x = –1.15 |
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C. |
x = 10.45, x = –3.45 |
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D. |
x = 11.00, x = –2.01 |
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Hint |
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14. |
Find the correct representation of a glide reflection. |
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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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15. |
What is the scale factor of Figure A to Figure B? |
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A. |
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B. |
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C. |
2 |
D. |
3 |
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Hint |
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16. |
Rewrite the expression as a square with a constant added or subtracted.x2 – 6x – 15 |
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A. |
(x – 3) 2 – 24 |
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B. |
(x – 3) 2 + 9 |
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C. |
(x – 3) 2 – 9 |
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D. |
(x – 3) 2 – 15 |
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Hint |
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17. |
Find the quadratic equation with 0 solutions. |
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A. |
x2 – 12x + 36 = 0 |
B. |
x2 + 4x – 12 = 0 |
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C. |
x2 – 2x – 3 = 0 |
D. |
x2 – 2x + 5 = 0 |
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Hint |
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18. |
Airline ticket prices for a trip from New York to Chicago vary widely on the Internet. The following table lists the Internet store, airline, and price for a roundtrip ticket from New York to Chicago. Consider how airline tickets vary from store to store. Reorganize the table to make it easier to compare the prices for a particular airline. |
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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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19. |
Joseph bakes many plates of cookies to sell at the bake sale once a month. He found that the amount of money he received for selling the cookies depended on the price he asked. He created the graph below to estimate his revenue (money received) on a single day for any price. Approximately what price gives the greatest revenue for a single day? |
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A. |
$15 |
B. |
$32 |
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C. |
$20 |
D. |
$16 |
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Hint |
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20. |
Joseph bakes many plates of cookies to sell at the bake sale once a month. He found that the amount of money he received for selling the cookies depended on the price he asked. He created the graph below to estimate his revenue (money received) on a single day for any price. For what price(s) can get Joseph a revenue of about $100. |
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A. |
$8.50 |
B. |
none of the above |
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C. |
$8.50, $26 |
D. |
$26 |
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Hint |
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