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