SOLUTION: graph the equation using the slope and the y-intercept y=-8/5x-5

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Question 299195: graph the equation using the slope and the y-intercept
y=-8/5x-5
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

Looking at y=-%288%2F5%29x-5 we can see that the equation is in slope-intercept form y=mx%2Bb where the slope is m=-8%2F5 and the y-intercept is b=-5


Since b=-5 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
slope=rise%2Frun

Also, because the slope is -8%2F5, this means:

rise%2Frun=-8%2F5


which shows us that the rise is -8 and the run is 5. This means that to go from point to point, we can go down 8 and over 5



So starting at , go down 8 units


and to the right 5 units to get to the next point



Now draw a line through these points to graph y=-%288%2F5%29x-5

So this is the graph of y=-%288%2F5%29x-5 through the points and