SOLUTION: How do you solve this system of equations by graphing? y=-3x-2 y=x-2 Please give me an answer as soon as possible the assignment is do tomorrow 4/9/08. Thank You for all your he

Question 135833: How do you solve this system of equations by graphing? y=-3x-2 y=x-2
Please give me an answer as soon as possible the assignment is do tomorrow 4/9/08.
Thank You for all your help Taylor
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
How do you solve this system of equations by graphing? y=-3x-2 y=x-2
:
You have to plot both both equations on the same graph. The solution is the x/y coordinates where the two lines intersect.
:
Find the values for y when x = -4; x = 0; x = +4
y = -3x - 2
x | y
-------
-4 |+10
0 |-2
+4 |-14
Plot these points draw the line:
:
y = x - 2
x | y
------
-4 |-6
0 |-2
+4 |+2
:
Your graph should look like this:

Note the point of intersection: x=0, y =-2; this is solution

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