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1. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
(-22, -2) |
B. |
 |
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C. |
(-5, -1) |
D. |
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Hint |
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2. |
Use elimination to solve the system given below.
5x - 2y = 25
5x + 3y = 5 |
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A. |
(4, -5) |
B. |
 |
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C. |
(3, -5) |
D. |
(13, 20) |
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Hint |
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3. |
Use elimination to solve the system of equations given below.
3x + 4y = -12
x - y = 10 |
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A. |
(4, -6) |
B. |
(52, 42) |
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C. |
(-4, -14) |
D. |
(28, 18) |
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Hint |
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4. |
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. |
-15, 4 |
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C. |
-9, -2 |
D. |
-8, -3 |
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Hint |
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5. |
Use elimination to solve the system of equations given by 3x – 2y = 10 and 5x + 2y = 6. |
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A. |
infinitely many solutions |
B. |
(2, -2) |
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C. |
(-2, -8) |
D. |
no solution |
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Hint |
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