Solve by Distribution
Solve by Graphing
Solve by Substitution
Surprise
100
Solve using Distribution:
-15x + 6y = -36
8x - 6y = 22
(2,-1)
100
How many solutions does this graph have?
One solution at (1,3)
100
Solve using Substitution:
2x + y = 7
3x - 2y = -7
(1,5)
100
What strategy would you use?
14x + 2y = 26
-14x - 6y = -50
Distribution
200
Solve using Distribution:
14x + 2y = 26
-14x - 6y = -50
(1,6)
200
What is the solution?
(-1,1)
200
Solve using Substitution:
-3x + 4y = -2
y = -5
(-6,-5)
200
How many solutions do these linear equations have?
3x - y = 19
-3x + y = 10
No Solutions
300
Solve using Distribution:
-2x + 10y = 6
-x - y = -9
(7,2)
300
How many solutions does this graph have?
No Solution
300
Solve using Substitution:
-5x - 5y = 10
y = -4x -17
(-5,3)
300
What strategy would you use?
-5x - 5y = 10
y = -4x -17
substitution
400
Solve using Distribution:
-4x - y = 6
-x + 2y = -12
(0,-6)
400
Solve Using Graphing:
y = 5/3x + 2
y = -3
400
Solve using Substitution:
2x + 8y = 5
24x - 4y = -15
(-1/2, 3/4)
400
How many solutions do these linear equations have?
2x + y= -8x
x - y= -1
1 solution (-3,-2)
500
Solve using Distribution:
-3x - 24y = -66
3x + 4y = -14
(-10,4)
500
Solve using Graphing:
y= 1/4x - 2
y= 3/2x + 3
500
Solve using Substitution:
-8x - 5y = -24
-x + y = 10
(-2,8)
500
What strategy would you use? What is the solution?
-x + y= -5
2x - 5y= 1
Substitution
(8, 3)