Thread: how can we solve this equation by graph? i need help

soleve this equation by graph


[y=x+1 ] [y=-x+3]

Explain to me how this is an inequality.

Graph both equations on the same axes.

If the two lines intersect, that tells you the two equations, for that value of x, return the same y. x is your solution to the two equations.

If the lines are parallel, That means one line is actually the other line shifted up or down. There's no x that gives the same y in both equations at the same time. So, there's no solution for that set of equations.