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1. |
Find the median of {55, 21, 47.4, 69, 71}. |
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A. |
55 |
B. |
71 |
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C. |
47.4 |
D. |
21 |
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Hint |
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2. |
Find cos X. |
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 |
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A. |
6 |
B. |
0.8 |
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C. |
0.75 |
D. |
0.6 |
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Hint |
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3. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
 |
B. |
-2 |
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C. |
 |
D. |
2 |
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Hint |
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4. |
Write  in standard form. |
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A. |
2x + 3y = -8 |
B. |
 |
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C. |
2x + 3y = 0 |
D. |
 |
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Hint |
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5. |
Use substitution to solve the system of equations given below.
 |
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A. |
infinitely many solutions |
B. |
no solution |
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C. |
(-10, -12) |
D. |
(-12, -10) |
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Hint |
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6. |
Use substitution to solve the system of equations given below.
 |
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A. |
 |
B. |
infinitely many solutions |
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C. |
no solution |
D. |
(-5, 5) |
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Hint |
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7. |
The vertex of the graph of the equation y = -x2 + 6x + 1 is |
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A. |
neither a maximum nor a minimum |
B. |
a minimum |
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C. |
a maximum |
D. |
both a maximum and a minimum |
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Hint |
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8. |
What are the real roots of the quadratic equation whose related function is graphed below? |
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 |
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A. |
-4, 4 |
B. |
-4 |
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C. |
-2 |
D. |
4 |
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Hint |
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9. |
Solve x2 – 6x + 5 = 0 by graphing. |
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A. |
1, 5 |
B. |
5 |
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C. |
-1 |
D. |
1 |
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Hint |
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10. |
Solve  . |
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A. |
5 |
B. |
-1 |
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C. |
no real solution |
D. |
0 |
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Hint |
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11. |
Name the property used in the equation r × 21 = 1. Then solve for r. |
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A. |
Multiplicative Inverse; r =  |
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B. |
Multiplicative Identity; r = 1 |
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C. |
Additive Identity; r = 0 |
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D. |
Multiplicative Identity; r = |
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Hint |
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12. |
Simplify the expression 4(-5k) + 15k. |
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A. |
5k |
B. |
-35k |
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C. |
-5k |
D. |
35k |
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Hint |
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13. |
A department store is having a 30% off sale for all clothing items. What is the discount price of a pair of blue jeans that normally cost $39.99? |
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A. |
$29.99 |
B. |
$25.99 |
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C. |
$27.99 |
D. |
$11.98 |
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Hint |
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14. |
Write an equation of a line that passes through (-6, 2) with slope  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
Which equation describes the line that contains the points (-5, 2) and (3, 7)? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
A ticket service is selling tickets to a concert. An order of 4 tickets has a price of $63 and an order of 6 tickets has a price of $92. Write an equation to find the price of any amount of tickets. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
How many measurement classes are represented on the histogram? |
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 |
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A. |
50 |
B. |
6 |
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C. |
10 |
D. |
99 |
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Hint |
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18. |
Which expression is equivalent to ((32)4)3? |
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A. |
2712 |
B. |
96 |
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C. |
816 |
D. |
99 |
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Hint |
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19. |
Suppose the perimeter of a triangle is given by P = 13x + 5y, and two of its sides have lengths of 2x + y and 8x + 4y. What is the length of the third side? |
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A. |
6x + 3y |
B. |
3x |
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C. |
3x + y |
D. |
23x + 5y |
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Hint |
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20. |
Which of the following is not true concerning inverse variation? |
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A. |
There is some nonzero constant k such that xy = k |
B. |
As y increases, x decreases |
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C. |
Its graph is defined for x = 0. |
D. |
x1y1 = x2y2 |
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Hint |
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