Solving by
Graphing
Graphing
You must use a graph to solve:
y=x+2
y=-x+2
What is (0,2)?
You must use elimination to solve:
m+k=8
m-k=20
What is m=14 and k=6?
You must use substitution to solve:
y=7
2x+y=17
What is x=5 and y=7?
y > 2x+1
see graph
You must use elimination to solve:
a+b=10
3a-b=6
What is a=4 and b=6?
You must use a graph to solve:
y=x+4
y=2x+5
What is (-1,3)?
You must use elimination to solve:
8a + 5b = 9
2a - 5b = -4
What is a=.5 and b=1?
You must use substitution to solve:
m=k-2
3k-m=16
What is k=7 and m=5?
y>= 1
see graph
You must use substitution to solve:
m=k-5
k-2m=8
What is k=2 and m=-3?
You must use a graph to solve:
y=-2
x=4
What is (4,-2)?
You must use elimination to solve:
c + 3b = 38
2c + 3b = 52
What is c=14 and b=8?
You must use substitution to solve:
y = 3x -1
7x + 2y = 37
What is x=3 and y=8?
y-3x<-4
see graph
You must use a graph to solve:
y=3x-2
y=2x-1
What is (1,1)?
You must use a graph to solve:
y=3
-2x+y=1
What is (1,3)?
You must use elimination to solve:
3x + 2y = 46
x + 5y = 11
What is y=-1 and x=16?
You must use substitution to solve:
x + 4y = 30
x - 2y = 0
What is y=5 and x=10?
4x + 2y >= 12
see graph
You must use elimination to solve:
6x - 2y = 10
3x + 7y = 37
What is x=3 and y=4?
You must use a graph to solve:
y-3x=3
y+2=3x
What is no solution?
You must use elimination to solve:
1/3d + 1/4b = 10
1/3d - 1/2b = 4
What is d=24 and b=8?
You must use substitution to solve:
3s - 2t = 4
t - 2s = -1
What is s=-2 and t=-5?
y > -2x+1
y<=1/2x -3
Use substitution to solve this system of equations.
2/3x - .034y = 1/4x + 7/11y
3/2x - 2/5y = 1/3x - 7/9y
What is (0,0)