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1. |
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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2. |
Determine which ordered triple is a solution of the system of equations. 
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A. |
(0, 0, 11) |
B. |
(0, 1, -14) |
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C. |
(1, -2, 6) |
D. |
(-1, 2, -16) |
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Hint |
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3. |
Determine which expression is not a polynomial. |
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A. |
x2 - y2 + z2 |
B. |
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C. |
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D. |
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Hint |
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4. |
Write the fourth root of 625. |
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A. |
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B. |
4(625) |
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C. |
5 |
D. |
6254 |
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Hint |
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5. |
Solve  |
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A. |
5 |
B. |
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C. |
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D. |
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Hint |
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6. |
Determine the distance between points at
 and  |
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A. |
 units |
B. |
 units |
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C. |
9 units |
D. |
 units |
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Hint |
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7. |
What is the equation of the directrix of the parabola with equation
y = (x + 4)2 - 2? |
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A. |
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B. |
y = - 2 |
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C. |
x = - 2 |
D. |
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Hint |
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8. |
The graph of the equation -x2 + 4y2 - 10x - 8y - 29 = 0 is a(n) _____. |
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A. |
hyperbola |
B. |
parabola |
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C. |
circle |
D. |
ellipse |
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Hint |
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9. |
Solve the system of equations.
y = 2x + 3
y2 - x2 = 24 |
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A. |
(5, 7) |
B. |
(-5, -7), (1, -5) |
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C. |
(-5, -7), (1, 5) |
D. |
(0, 3) |
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Hint |
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10. |
Use the graph to determine the solution of -x2 + 6x - 9 = 0. |
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A. |
3 |
B. |
4 |
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C. |
-9 |
D. |
2 |
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Hint |
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11. |
Find  to three decimal places. |
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A. |
1.3617 |
B. |
1.6113 |
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C. |
2.3225 |
D. |
3.1355 |
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Hint |
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12. |
Write an equation for the nth term of the arithmetic sequence
18, 30, 42, 54, 66, . . . . |
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A. |
an = 30n + 6 |
B. |
an = 18n + 12 |
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C. |
an = 12n + 6 |
D. |
an = n + 18 |
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Hint |
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13. |
Find the value of n to the nearest degree. |
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A. |
45° |
B. |
37° |
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C. |
90° |
D. |
53° |
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Hint |
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14. |
Solve the equation  |
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A. |
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B. |
-1 |
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C. |
9 |
D. |
20 |
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Hint |
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15. |
Which of the following systems of equations is inconsistent? |
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A. |
4y – x = 12 3y – 2x = 1 |
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B. |
y = 7x – 2 y = –2x – 5 |
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C. |
3y + 2x = 13 6y + 4x = 3 |
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D. |
y = 2x – 3 y = –3x + 4 |
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Hint |
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16. |
Solve x2 + 7x < –12 algebraically. |
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A. |
{x| 4 < x < 3} |
B. |
{x| –3 < x < –4} |
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C. |
{x| 3 < x < 4} |
D. |
{x| –4 < x < –3} |
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Hint |
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17. |
Given that  and  , find  |
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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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18. |
What is the domain and range of  ? |
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A. |
D: 
R:  |
B. |
D: 
R: |
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C. |
D:
R:  |
D. |
D:
R: |
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Hint |
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19. |
Chavez needs to buy gasoline every week for a year (52 weeks). The first week he spends $10.00. If the amount he spends increases by $0.10 every week, how much will he spend on gasoline this year? |
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A. |
$667.80 |
B. |
$657.80 |
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C. |
$652.60 |
D. |
$572 |
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Hint |
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20. |
Which of the following is a counterexample to the statement 8p – 3 is prime? |
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A. |
p = 2 |
B. |
none of the above |
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C. |
p = 4 |
D. |
p = 3 |
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Hint |
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