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Systems of Linear Equations - Practice #2

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Systems of Linear Equations - Practice #2 Answer Key

1. 
Solve the system of equations.
[math]y=x-8[/math]
[math]y=-3x[/math]
  1. [math](2,-6)[/math]
  2. [math](-2,6)[/math]
  3. [math](3,-9)[/math]
  4. [math](1,7)[/math]
2. 
Which ordered pair is the solution to the system?
y = 3x - 2
y = 3x + 4
  1. No solution
  2. (1,1)
  3. (0, -8)
  4. (8,0)
3. 
What is the solution to the following system of equations?
[math]x-7y=23[/math]
[math]4x-3y=42[/math]
  1. (2, -9)
  2. (9, -2)
  3. No solution (Null Set)
  4. (-1, 3)
4. 
Select the coordinate point that is a solution to the following system of equations.
[math]2x+y=7[/math]
[math]3x-4y=5[/math]
  1. (-1,9)
  2. (-3,-1)
  3. (7,4)
  4. (3,1)
5. 
Solve the system.
[math]4x-6y=18[/math]
[math]-2x+3y=9[/math]
  1. (0, - 3)
  2. (4.5, 0)
  3. No Solution
  4. Infinitely Many Solutions
6. 
What is the solution to the system of equations?
y = 2x + 4
y = 3x + 2
  1. (-2, 8)
  2. (2, 8)
  3. (8, 2)
  4. (1, 1)
7. 
What is the solution to the system?
[math]{:(,-3x+2y=8),(,x+2y=-8):}[/math]
  1. (-4,-2)
  2. (4,2)
  3. (-2,-4)
  4. (2,4)
8. 
What is the solution to the system of equations?
[math]y=x+6[/math]
[math]3x+2y=2[/math]
  1. (-4, 7)
  2. (-2, 4)
  3. (2, 8)
  4. (4, 10)
9. 
Solve the system of equations.
[math]4b-2d=5[/math]
[math]-2b+d=1[/math]
  1. [math]"Infinite Solutions"[/math]
  2. [math](0,1)[/math]
  3. [math](1,0)[/math]
  4. [math]"No Solution"[/math]
10. 
Solve the system of equations.
x - y = 6
3x + 2y = -22
  1. (-2, -8)
  2. (6.8, 0.8)
  3. (2, 8)
  4. (-8,-2)

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