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1. |
Determine the slope of the line that passes through the points at
(1, 5) and (-4, 0). |
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A. |
-1 |
B. |
0 |
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C. |
1 |
D. |
 |
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Hint |
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2. |
Solve the system of equations by graphing. 
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A. |
infinitely many solutions |
B. |
no solution |
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C. |
(-1, 7) |
D. |
(0, 3) |
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Hint |
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3. |
The system of equations on the graph shown is |
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A. |
consistent and dependent. |
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B. |
inconsistent. |
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C. |
consistent and independent. |
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D. |
consistent. |
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Hint |
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4. |
Solve the system of equations by using substitution. 
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A. |
(4, 9) |
B. |
(5, 11) |
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C. |
(1, 3) |
D. |
(3, 7) |
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Hint |
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5. |
Use the elimination method to solve the system of equations. 
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
What is the solution of the system of inequalities? 
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 |
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A. |
region 3 |
B. |
region 4 |
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C. |
region 2 |
D. |
region 1 |
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Hint |
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7. |
Solve the system of inequalities by graphing. 
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Which coordinates are not of the vertices of the feasible region for the system of inequalities? 
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A. |
(2, 4) |
B. |
(5, 4) |
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C. |
(0, 6) |
D. |
(5, 1) |
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Hint |
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9. |
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 the function that describes the cost of the quilt. |
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A. |
f(b, w) = 4b + 7w |
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B. |
f(b, w) = 0.80b + 1.20w |
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C. |
96 = 0.80b + 1.20w |
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D. |
96 = 4b + 7w |
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Hint |
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10. |
Find an equation of the line that passes through (0, -6) and (5, 3). |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
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. |
220 adults, 220 children |
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B. |
293 adults, 147 children |
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C. |
380 adults, 760 children |
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D. |
320 adults, 120 children |
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Hint |
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12. |
Which equation describes the line that contains the points (6, 2) and (12, 4)? |
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A. |
y = 3x |
B. |
 |
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C. |
 |
D. |
y = -3x |
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Hint |
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13. |
Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Graph the line through (2, 3) that is parallel to the line with equation 3x – y = 2. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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15. |
What is the slope of the line with equation  |
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A. |
7 |
B. |
-7 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
y = –22, x = –31 |
B. |
y = –22, x = 29.5 |
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C. |
y = –22, x = –36.5 |
D. |
no solution |
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Hint |
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17. |
Solve  by the method of determinants. |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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18. |
Solve  by the method of determinants. |
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A. |
(2, -2, 1) |
B. |
(-1, 1, -2) |
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C. |
(2, -1, -2) |
D. |
(1, -1, 2) |
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Hint |
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