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1. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
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A. |
no solution |
B. |
one solution at  . |
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C. |
one solution at (-6, 0) |
D. |
infinitely many solutions |
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Hint |
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2. |
Which system of equations 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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3. |
Graph the system of equations to determine whether it has no solution, many solutions, or one solution. If the system has one solution, name it.
3x - 2y = -1
2x + y = 4 |
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A. |
infinitely many solutions |
B. |
no solution |
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C. |
one solution at (1, 2) |
D. |
one solution at (2, 1) |
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Hint |
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4. |
Solve the system of equations given by 5x – 2y = -6 and 15x – 6y = 6. |
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A. |
(1, 1) |
B. |
infinitely many solutions |
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C. |
(-2, -2) |
D. |
no solution |
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Hint |
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5. |
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. |
50 minutes |
B. |
100 minutes |
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C. |
They will never have the same charges. |
D. |
150 minutes |
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Hint |
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