Graphing Method
Substitution Method
Elimination Method
Systems Review
100
How many solutions are represented in the graph?
1 solution
100
y = 2x + 3
4x + 2y = -2
(-1,1)
100
3x + 2y = 12
5x - 2y = 4
(2,3)
100
How do you express the solution for a system of equations?
An ordered pair
200
y=1/2x -5
y=x+1
(-12, -11)
200
x = -4y - 2
3x + 7y = 9
(10, -3)
200
-6x+5y=1
6x+4y=-10
(-1,-1)
200
True or False:
It does not matter which method you use when solving systems of linear equations because they will all give you the same answer.
True
300
y=-2x+5
y=3x
(1, 3)
300
3x + 5y = 41
y = 4x - 1
(2,7)
300
x-y=11
2x+y+19
(10,-1)
300
If a system of equations has INFINITE SOLUTIONS and this is one equation, what would be the other equation?
y = 2x + 4
y = 2x + 4
400
y=-2/3x+6
2x+3y=12
No Solution
400
x = -2y + 1
3x + 6y = 3
Infinitely many solutions
400
2x - 5y = 11
-2x + 3y = -9
(3, -1)
400
If a system of equations has NO SOLUTIONS and this is one equation, what would be the other equation?
y = -5x - 4
Any equation in y = mx + b form with a slope of -5, but a different y-intercept.
Ex: y = -5x + 4
500
y=2/3x+6
2x+3y=12
(-1.5, 5)
500
y = 5x - 7
-3x - 2y = -12
(2, 3)
500
-4x-2y=-12
4x+8y=-24
(6, -6)
500
Is the point (2,-1) the solution to this system of equations?
y = 3x - 7
4x - 5y = 13
yes