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1. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
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A. |
infinitely many solutions |
B. |
one solution at (-6, 0) |
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C. |
no solution |
D. |
one solution at . |
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Hint |
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2. |
Use substitution to solve the system of equations given below. y = 2x 5x - y = -24 |
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A. |
(-8, -16) |
B. |
no solution |
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C. |
(-4, -8) |
D. |
infinitely many solutions |
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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. |
(-12, -10) |
B. |
(-10, -12) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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4. |
Use elimination to solve the system of equations. -x + 2y = 18 x + 8y = -38 |
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A. |
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B. |
(-22, -2) |
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C. |
(-5, -1) |
D. |
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Hint |
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5. |
Use elimination to solve the system given below. 5x - 2y = 25 5x + 3y = 5 |
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A. |
(13, 20) |
B. |
(3, -5) |
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C. |
(4, -5) |
D. |
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Hint |
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6. |
The sum of two numbers is –11. Twice the first number minus four times the second number is –10. What are the two numbers? |
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A. |
-8, -3 |
B. |
-15, 4 |
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C. |
-6, -5 |
D. |
-9, -2 |
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Hint |
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7. |
Which point is not a solution for the system of inequalities? |
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A. |
(2, -5) |
B. |
(3, -3) |
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C. |
(-2, -7) |
D. |
(-3, 7) |
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Hint |
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8. |
Which system of inequalities is graphed below? |
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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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9. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
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A. |
one solution at (-6, 0) |
B. |
infinitely many solutions |
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C. |
one solution at  |
D. |
no solution |
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Hint |
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10. |
Use elimination to solve the system of equations given by 8x – 4y = -20 and 10x – 5y = 35. |
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A. |
(-12, -12) |
B. |
infinitely many solutions |
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C. |
(0, 0) |
D. |
no solution |
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Hint |
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