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1. |
Use elimination to solve the system given below.
4x + 3y = -20
x + 3y = 4 |
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A. |
(-8, 4) |
B. |
 |
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C. |
 |
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. |
(13, 20) |
B. |
 |
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C. |
(4, -5) |
D. |
(3, -5) |
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Hint |
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3. |
The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers. |
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A. |
(42, 6) |
B. |
(14, 22) |
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C. |
(30, 6) |
D. |
(10, 26) |
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Hint |
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4. |
Use elimination to solve the system of equations given by 10x – 40y = 60 and 15x + 40y = -10. |
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A. |
no solution |
B. |
(2, -1) |
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C. |
infinitely many solutions |
D. |
(-14, -5) |
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Hint |
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5. |
Use elimination to solve the system of equations given by 7x + 23y = 12 and 3x + 23y = -8. |
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A. |
infinitely many solutions |
B. |
 |
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C. |
(5, -1) |
D. |
no solution |
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Hint |
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