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1. |
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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2. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
(-3, -10) |
B. |
(-5, 2) |
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C. |
(4, -3) |
D. |
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Hint |
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3. |
Use substitution to solve the system of equations given below.
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A. |
(-5, 5) |
B. |
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C. |
infinitely many solutions |
D. |
no solution |
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Hint |
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4. |
Use substitution to solve the system of equations given by x – 4y = 24 and 3x – 4y = 16. |
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A. |
(-4, -7) |
B. |
(10, 3.5) |
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C. |
(-4, 7) |
D. |
(10, -3.5) |
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Hint |
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5. |
Use substitution to solve the system of equations given by y =  and 28x – 32y = -8. |
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A. |
infinitely many solutions |
B. |
no solution |
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C. |
(2, 2) |
D. |
(1, 1) |
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Hint |
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