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1. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
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A. |
no solution |
B. |
(-8, -16) |
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C. |
infinitely many solutions |
D. |
(-4, -8) |
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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. |
320 adults, 120 children |
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C. |
220 adults, 220 children |
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D. |
380 adults, 760 children |
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Hint |
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3. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
(-22, -2) |
B. |
 |
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C. |
(-5, -1) |
D. |
 |
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Hint |
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4. |
What is the solution of the system of equations shown below? |
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A. |
(3, 0) |
B. |
(0, 0) |
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C. |
(1, -2) |
D. |
(0, -3) |
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Hint |
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5. |
Solve the system of equations y = 3x + 4 and  by graphing. |
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A. |
(3, 5) |
B. |
 |
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C. |
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D. |
(-3, -5) |
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Hint |
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