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1. |
Use substitution to solve the system of equations given below.
8x - 4y = 16
2x - y = 4 |
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A. |
(0, -4) |
B. |
(2, 0) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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2. |
Students from the local high school are selling tickets to the town's annual carnival. Adult admission is $5.00 and child admission is $2.50. Two hours after the carnival opened its first day, 440 tickets had been sold totaling $1900. How many adults and how many children entered the carnival during the first two hours it was open? |
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A. |
293 adults, 147 children |
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B. |
220 adults, 220 children |
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C. |
380 adults, 760 children |
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D. |
320 adults, 120 children |
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Hint |
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3. |
Solve the system of equations y = 3x + 4 and  by graphing. |
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A. |
(-3, -5) |
B. |
(3, 5) |
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C. |
 |
D. |
 |
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Hint |
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4. |
Use a graph to solve the system of equations.
y = x2
y = –x + 2 |
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A. |
(–2, 4), (1, 1) |
B. |
(1, 1), (4, –2) |
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C. |
(4, 1), (1, –2) |
D. |
(–2, 1), (1, 4) |
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Hint |
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5. |
Use substitution or elimination to solve the system of equations.
x + 2y = 6
x – 3y = –4 |
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A. |
(–2, –2) |
B. |
(2, –2) |
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C. |
(–2, 2) |
D. |
(2, 2) |
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Hint |
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