SOLUTION: Directions: on a coordinate system on a graph, graph each system of equations on the same set of axes. name the point of intersection. My two equations are y=3x+1 and y=x-1. How do

Question 122987: Directions: on a coordinate system on a graph, graph each system of equations on the same set of axes. name the point of intersection. My two equations are y=3x+1 and y=x-1. How do i graph them and where do i name the point of intersection?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

and
in standard form:

and
graph:

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

Add to 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

Add to 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)

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