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1. |
Solve the system of equations by using the elimination method. 
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A. |
(2, 3) |
B. |
(4, 2) |
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C. |
(12, -2) |
D. |
(34, -13) |
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Hint |
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2. |
The equations y = -0.38x + 56.6 and y = 0.38x + 43.4 represent the percent of men and women, respectively, receiving bachelor's degrees, where x is the number of years since 1968. In approximately what year did the same percent of men and women receive bachelor's degrees? |
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A. |
1985 |
B. |
1980 |
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C. |
1995 |
D. |
1990 |
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Hint |
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3. |
Use elimination to solve the system of equations shown below.
2x - 4y = -5
3x + 4y = -15 |
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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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4. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
y = –22, x = –36.5 |
B. |
y = –22, x = 29.5 |
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C. |
y = –22, x = –31 |
D. |
no solution |
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Hint |
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5. |
Solve the system of equations 3x – 5y = 4
–2x + 4y = 3. |
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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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