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1. |
Solve the system of equations y = 3x + 4 and by graphing. |
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A. |
(3, 5) |
B. |
(-3, -5) |
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C. |
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D. |
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Hint |
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2. |
Find (5t2 - 2w)2 |
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A. |
25t4 – 20t2w + 4w2 |
B. |
25t4 + 4w2 |
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C. |
25t4 – 4w2 |
D. |
25t4 – 10t2w + 4w2 |
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Hint |
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3. |
The greatest power in a quadratic function is ______. |
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A. |
3 |
B. |
4 |
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C. |
1 |
D. |
2 |
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Hint |
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4. |
Solve 5x2 – 10x = 0. |
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A. |
x = 0 |
B. |
x = 2 |
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C. |
x = 0 or x = 2 |
D. |
x = 0 or x = -2 |
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Hint |
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5. |
Simplify . |
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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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6. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
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B. |
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C. |
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D. |
-2, 1 |
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Hint |
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7. |
Find (x + 7)(2x +1). |
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A. |
2x2 + 14x + 7 |
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B. |
2x2 + 7x + 7 |
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C. |
2x2 + 9x + 7 |
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D. |
2x2 + 15x + 7 |
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Hint |
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8. |
Determine the product (2x + 1)(x - 4). |
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A. |
2x2 - 7x - 4 |
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B. |
2x2 + 6x - 4 |
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C. |
2x2 - 2x - 4 |
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D. |
2x2 + 8x - 4 |
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Hint |
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9. |
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 + b. |
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C. |
The equation has the form y = mx. |
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D. |
The graph does not pass through (0, 0). |
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Hint |
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10. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x + 9 |
B. |
y = 3x – 3 |
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C. |
y = 3x – 9 |
D. |
y = 3x + 3 |
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Hint |
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11. |
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point? |
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A. |
2.13 m |
B. |
1 m |
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C. |
18.8 m |
D. |
3.78 m |
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Hint |
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12. |
How does a affect graphs of equations in the form of ? |
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A. |
a affects the width of the graph |
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B. |
positive values of a move the graph to the left, negative values move it to the right |
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C. |
a affects the length of the graph |
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D. |
negative values of a move the graph to the left, positive values move it to the right |
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Hint |
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13. |
Find a solution to the equation using backtracking.
 |
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A. |
a = 5 |
B. |
a = 3 |
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C. |
a = 2 |
D. |
a = –2 |
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Hint |
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14. |
Find a solution to the equation by doing the same thing to both sides. 3 – 6m = 5 – 7m |
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A. |
m = 0 |
B. |
m = –5 |
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C. |
m = –2 |
D. |
m = 2 |
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Hint |
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15. |
Use a graph to solve the system of equations. y = x2 y = –x + 2 |
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A. |
(–2, 1), (1, 4) |
B. |
(–2, 4), (1, 1) |
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C. |
(4, 1), (1, –2) |
D. |
(1, 1), (4, –2) |
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Hint |
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16. |
Select the figure that is a 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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17. |
What angle of rotation does the figure below have? |
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A. |
180° |
B. |
120° |
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C. |
90° |
D. |
45° |
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Hint |
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18. |
Find the quotient. Simplify |
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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. |
Factor the quadratic expression.x2 + 2x – 24 |
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A. |
(x + 6)(x + 4) |
B. |
(x – 6)(x + 4) |
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C. |
(x – 6)(x – 4) |
D. |
(x + 6)(x – 4) |
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Hint |
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20. |
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. What is the mean price of a ticket at Traveltix? |
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A. |
$116.09 |
B. |
$110.14 |
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C. |
$107.74 |
D. |
$115.96 |
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Hint |
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