Solve by Graphing
By graphing, the solution to the system
y = x
y = -x
(0,0)
The solution to the system
x + y = 2
y = 3
What is (-1,3) ?
The solution to the system
x + 5y = 12
-x +y = 0
(2,2)
Is (4,5) the solution to the following system?
4x - y = 12
x + 6y = 13
No.
By graphing, the solution to the system
y = 3x - 4
y = -3x + 2
(1,-1)
2y - x = 4
10y - x = 20
What is (4,2) ?
The solution to the system
-4x - 2y = -12
4x + 8y = -24
(6,-6)
Is (0,-4) the solution to the system
y = -20x + 1
20x + y = 6
No.
By graphing, the solution to the system
y = (1/3)x + 2
y = -x - 2
(-3,1)
The solution to the system
y = 6x - 11
-2x - 3y = -7
What is (2,1) ?
The solution to the system
5x + y = 9
10x - 7y = -18
(1,4)
Is (-2,1) a solution to the system
6x - 3y = -15
2x + y = -3
Yes!
By graphing, the solution to the system
y = -(3/2)x - 4
y = (1/2)x + 4
(-4,2)
The solution to the system
-3x + 3y = 4
-x + y = 3
What is no solution?
The solution to the system
-5x - 8y = 17
2x - 7y = -17
What is (-5,1) ?
Is "No solution" the solution to the following system
y = 3x + 4
y = -x - 4
No (not parallel).
By graphing, the solution to the system
y = (5/4)x - 2
y = (5/4)x -1
What is no solution?
The solution to the system
-4x + 9y = 9
x = 3y - 6
(9,5)
The solution to the system
2x + 8y = 6
-5x - 20y = -15
What is infinite number of solutions?
Is (-3,-1) the solution to
y=(4/3)x + 3
(2/3)x + y = -3
Yes!