SOLUTION: Solve the system of linear equations by graphing and write an ordered pair 3x+y=0 4x-y=7

Algebra.Com
Question 652408: Solve the system of linear equations by graphing and write an ordered pair
3x+y=0
4x-y=7
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: Solve the System of Equations by Graphing



Start with the given system of equations:










In order to graph these equations, we need to solve for y for each equation.




So let's solve for y on the first equation


Start with the given equation



Subtract from both sides



Rearrange the equation



Divide both sides by



Break up the fraction



Reduce



Now lets graph (note: if you need help with graphing, check out this solver)



Graph of




So let's solve for y on the second equation


Start with the given equation



Subtract from both sides



Rearrange the equation



Divide both sides by



Break up the fraction



Reduce





Now lets add the graph of to our first plot to get:


Graph of (red) and (green)


From the graph, we can see that the two lines intersect at the point (,) (note: you might have to adjust the window to see the intersection)
RELATED QUESTIONS

Solve the system of the linear equations by graphing? 3x+y=0 2x+y=-3 a. (type an... (answered by solver91311)
Solve the system of linear equations by graphing. 3x-y=0... (answered by reviewermath)
Solve the system of equations below by graphing them with a pencil and paper. Enter your... (answered by Alan3354)
Solve the system of linear equations by graphing. 4x+y=0 and... (answered by jim_thompson5910)
I am having a problem with this question, it gives me a choice of 3 answers: Solve the... (answered by richwmiller)
Solve the system of equations below by graphing them. Enter your answer as an ordered... (answered by checkley71)
Solve the system of linear equations by graphing. 4x-y=0... (answered by ewatrrr)
solve the system of linear equations by graphing. 4x+y=0... (answered by Alan3354)
Solve the system of linear equations by graphing 2x-y=0 4x+y=6 (answered by jim_thompson5910)