Solving Systems by Graphing
Solve the following by graphing
y=-x+5
y=-2x+3
(-2,7)
Solve the following system using substitution
x = 6 - 4y
2x -3y = 1
(2,1)
Solve the following system using elimination
x + 5y = 28
x + 2y = 13
(3,5)
In which direction will the shading be for the inequality y > 3x - 2?
ABOVE
Solve the following by graphing
y=3x-5
-7x+y=-5
(0,-5)
Solve the following system using substitution
4x+3y=0
y=-2x-2
(-3,4)
Solve the following system using elmination.
7x - 4y = -30
3x + 4y = 10
(-2,4)
Which ordered pairs are a part of the solution for 2x - 3y < 18?
A (2, 7), B (-3, -9), C (9, 5)
A, C
Solve the following system by graphing
2y+4x=12
2x-y=-10
(-1,8)
Solve the following system using substitution
6x - y = -35
5x - 2y = -35
(-5,5)
Solve the following system using elimination
x - 3y = 6
2x = -3y -33
(-9,-5)
Solve the system of linear inequalities.
3x + 4y >12
y > 2x -1
Solve the following system by graphing.
4x+2y=6
3x-3y=9
(2,-1)
Solve the following system using substitution
3x + 3y = -18
4x - y = -14
(-4,-2)
Solve the following system using elimination.
x + 3y = -1
5x - 4y = -24
(-4,1)
Solve the system of linear inequalities.
x + y > 1
x < y
Hold up your graph- Mrs. Fletcher will check your answer.
Solve the following system by graphing
y=4x+4
-2y=-8x-8
Infinite Solutions
Solve the following system using substitution
2x - y = -2
7x - 5y = -19
(3,8)
Solve the following system using elimination.
3x - 5y = -16
2x - 3y = -8
(8, 8)
Suppose you can spend no more than 15 hours working at your two jobs. Mowing lawns pays $10 an hour and babysitting pays $12 an hour. You need to earn at least $100 this week.
Write and graph a system of inequalities.
x + y < 15
10x + 12y > 100
Mrs. Fletcher will check your graph.