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1. |
What is the first step in solving the system of equations using the elimination method? 
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A. |
Solve the first equation for x. |
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B. |
Multiply the second equation by 2. |
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C. |
Add the equations. |
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D. |
Subtract the second equation from the first equation. |
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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. |
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B. |
(-3, -10) |
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C. |
(4, -3) |
D. |
(-5, 2) |
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Hint |
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3. |
Solve the system of equations by using the elimination method. 
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A. |
(12, -2) |
B. |
(4, 2) |
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C. |
(2, 3) |
D. |
(34, -13) |
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Hint |
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4. |
Which is true for the following system of equations?
3x -  y = 1
x + 2y = 7. |
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A. |
y > x |
B. |
y = x |
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C. |
y < x |
D. |
cannot be determined from information given |
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Hint |
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5. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
no solution |
B. |
y = –22, x = 29.5 |
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C. |
y = –22, x = –31 |
D. |
y = –22, x = –36.5 |
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Hint |
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