SOLUTION: Use slope and y intercept to graph a line. y=2x-5

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Question 539442: Use slope and y intercept to graph a line. y=2x-5
Found 2 solutions by jim_thompson5910, stanbon:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Looking at we can see that the equation is in slope-intercept form where the slope is and the y-intercept is


Since this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis

So we have one point




Now since the slope is comprised of the "rise" over the "run" this means


Also, because the slope is , this means:




which shows us that the rise is 2 and the run is 1. This means that to go from point to point, we can go up 2 and over 1



So starting at , go up 2 units


and to the right 1 unit to get to the next point



Now draw a line through these points to graph

So this is the graph of through the points and


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Jim

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Use slope and y intercept to graph a line. y=2x-5
---
slope = 2
intercept = -5
----
Draw an x/y coordinate system.
Put your pencil point at the y-intercept (0,-5)
----
slope = 2 means "as x increases 1, y increases by 2".
---
So, move your pencil 1 to the right to (1,-5)
then up 2 to (1,-3)
Put a point at (1,-3)
Draw the draph as a line thrm (0,-5) and (1,-3)
===================================================
Cheers,
Stan H.

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