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Directions: Grab paper and pencil. Solve these system problems algebraically, using either the susbstitution method or the elimination (addition/subtraction) method. Beware!! The Systems Analyst may, or may not, be helpful!
1. |
Solve and check this linear system algebraically:
y = x + 7
y = -2x + 1
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2. |
Solve and check this linear system algebraically:
x + 2y = 12
2x - y = 4
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3. |
Solve and check this linear system algebraically:
2a - 2b = 6
5a - 3b = 9
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4. |
Solve and check this linear system algebraically:
13x + 10y = 14
-x + 6y = 4
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5. |
Which choice is the value of the y-coordinate of the solution to the system of equations:
x - 3y = -3 and 2x + y = 8?
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6. |
The substitution method is used to solve the following system of equations algebraically:
4x - 2y = 6 and 3x + 2y = 8
Which equivalent equation may be used in this process?
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7. |
Which choice is the solution to the system of equations:
y = 3x and y = 2x + 7 ?
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8. |
Which choice is the solution to the system of equations:
2x + y = 6 and 2y = -4x - 16 ?
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