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1. |
Which ordered pair is the solution to the given system of equations? x - 3y = 9 x - 2y = 5 |
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A. |
(-6, 1) |
B. |
(9, -3) |
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C. |
(-3, -4) |
D. |
(3, -2) |
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Hint |
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2. |
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. |
320 adults, 120 children |
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C. |
293 adults, 147 children |
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D. |
380 adults, 760 children |
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Hint |
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3. |
Use elimination to solve the system of equations shown below. 2x - 4y = -5 3x + 4y = -15 |
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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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4. |
Use elimination to solve the system of equations given below. x + 3y = 6 2x - 6y = 8 |
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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. |
The sum of two numbers is –11. Twice the first number minus four times the second number is –10. What are the two numbers? |
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A. |
-6, -5 |
B. |
-9, -2 |
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C. |
-8, -3 |
D. |
-15, 4 |
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Hint |
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6. |
Which point is not a solution for the system of inequalities? |
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A. |
(3, -3) |
B. |
(-3, 7) |
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C. |
(2, -5) |
D. |
(-2, -7) |
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Hint |
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7. |
Which system of inequalities is graphed below? |
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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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8. |
A long distance phone company has a monthly fee of $7.95 and charges a rate of $0.05 per minute. Another long distance company has a monthly fee of $9.95 and charges a rate of $0.03 per minute. At how many minutes would the two companies have equal charges? |
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A. |
150 minutes |
B. |
They will never have the same charges. |
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C. |
100 minutes |
D. |
50 minutes |
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Hint |
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9. |
Use substitution to solve the system of equations given by y = 2x and 5x + y = 7. |
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A. |
(-2, -5) |
B. |
(1, 2) |
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C. |
(-1, -2) |
D. |
(2, 5) |
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Hint |
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10. |
Use elimination to solve the system of equations given by 3x – 2y = 10 and 5x + 2y = 6. |
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A. |
no solution |
B. |
(2, -2) |
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C. |
infinitely many solutions |
D. |
(-2, -8) |
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Hint |
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