How do you solve the system of equations #y= - \frac { 7} { 2} x - 4# and #y = - \frac { 1} { 2} x + 2# by graphing?
1 Answer
Feb 28, 2018
Explanation:
You can set each other equal to each other and solve for x. You can do this because both at already in y equals.
Once you have x, you can plug it in to one equation to get a y.
For a check you can plug both numbers in the other equation to see if both sides are equal
