SOLUTION: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each oth

Algebra ->  Linear-equations -> SOLUTION: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each oth      Log On


   

Question 636160: I have to determine the unique solution in a system of linear standard slope form y intercept, equations already given of a graphed perpendicular line or lines that cross each other. Help, I forgot how to simply find the unique coordinate.
(?# , ?#) I have screen shot if that will help you help me better
Penny
Found 2 solutions by jim_thompson5910, solver91311:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Post the screenshot please or email it to me here: jim_thompson5910@hotmail.com

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If your two equations are in slope intercept form:




then set the two RHSs equal to each other -- after all, we want to equal since we are looking for the point that satisfies both equations, right?







Then substitute back into either original equation:



John

My calculator said it, I believe it, that settles it
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