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1. |
Solve |t - 16| = 20. |
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A. |
{-4, -36} |
B. |
{4, 36} |
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C. |
{4, -36} |
D. |
{-4, 36} |
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Hint |
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2. |
Choose the graph of 3y - 2x > 6. |
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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. |
What is the solution of the system of inequalities? 
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A. |
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B. |
region 2 |
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C. |
region 3 |
D. |
region 1 |
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Hint |
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4. |
Selena has 31 days to complete her quilt for the county fair. The blue squares in the quilt can be sewn at a rate of 4 squares per day, and the white squares at a rate of 7 squares per day. The quilt can have up to 96 squares total. The blue fabric b costs about $0.80 per square and the white fabric w costs about $1.20 per square. Selena wants to keep costs at a minimum. Write an inequality that expresses the total number of squares to be sewn. |
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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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5. |
Choose the matrix that represents the ordered triple (5, -7, 1). |
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A. |
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B. |
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C. |
[5 -7 1] |
D. |
[1 -7 5] |
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Hint |
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6. |
Factor m3 - 4m2 + 6m - 24. |
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A. |
m2(m - 4) + 6m - 24 |
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B. |
(m - 4)(m2 + 6) |
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C. |
(m + 4)(m2 - 6) |
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D. |
m(m2 - 4m + 6) - 24 |
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Hint |
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7. |
Find the axis of symmetry of the graph of g(x) = x2 - 5x + 2. |
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A. |
x = -5 |
B. |
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C. |
x = 2 |
D. |
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Hint |
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8. |
Graph f(x) = x3 - 4x2 + 2x – 3. |
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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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9. |
How many possible negative real zeros are there for the polynomial
g(x) = 2x4 + x3 - 4x + 1? |
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A. |
1 |
B. |
5 |
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C. |
3 |
D. |
2 |
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Hint |
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10. |
What is the polynomial function of least degree with integral coefficients that has zeros 2 and 3i? |
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A. |
y = x2 - 5x - 6 |
B. |
y = x2 + x - 6 |
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C. |
y = x3 - 2x2 - 9x + 18 |
D. |
y = x3 - 2x2 + 9x - 18 |
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Hint |
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11. |
Which equation is in quadratic form? |
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A. |
3x3 + 3x + 3 = 0 |
B. |
x4 - x2 + x - 1 = 0 |
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C. |
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D. |
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Hint |
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12. |
Find g[h(x)] if g(x) = x2 and h(x) = x + 3. |
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A. |
x2 + x + 3 |
B. |
x2 + 6x + 9 |
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C. |
x2 - x - 3 |
D. |
x3 + 3x2 |
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Hint |
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13. |
Is the relation shown in the graph a function? Why or why not? |
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A. |
No, the relation contains the ordered pairs (0, -1) and (3, -1). |
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B. |
Yes, the relation contains very few ordered pairs. |
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C. |
Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line. |
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D. |
No, the relation contains the ordered pairs (3, -1) and (3, 2). |
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Hint |
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14. |
Write the equation of the line through (5, -3) and (-2, -8) in slope-intercept form. |
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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. |
Graph the inequality y  -| x | + 3. |
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A. |
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B. |
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D. |
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Hint |
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16. |
At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 gets paid $10 per hour, worker 2 gets paid $12 per hour, and worker 3 gets paid $14 per hour. If the company wants their total income to be $1268, how many hours should each one work if worker 3 and worker 2 work for the same amount of hours? |
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A. |
worker 1: 44worker 2: 33worker 3: 33 |
B. |
worker 1: 14worker 2: 48worker 3: 48 |
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C. |
worker 1: 40worker 2: 35worker 3: 35 |
D. |
worker 1: 54worker 2: 28worker 3: 28 |
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Hint |
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17. |
Factor 4x2 – 5x – 6. |
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A. |
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B. |
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C. |
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D. |
(4x + 3)(x – 2) |
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Hint |
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18. |
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A. |
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B. |
3 |
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C. |
no real solution |
D. |
–3 |
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Hint |
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19. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
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A. |
x = -4 |
B. |
y = -4 |
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C. |
y = 3 |
D. |
x = 3 |
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Hint |
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20. |
Find consecutive values of x between which each real zero of the function  is located. |
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A. |
–1 and 0, 1 and 2 |
B. |
–1 and 0, 0 and 1, and 1 and 2 |
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C. |
0 and 1, 1 and 2 |
D. |
–1 and 0, 0 and 1 |
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Hint |
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