SOLUTION: Referring to the figure, write an equation of the line shown in the graph. Figure located at this link http://ppstest2.com/images2/AL5002.jpg

Algebra ->  Graphs -> SOLUTION: Referring to the figure, write an equation of the line shown in the graph. Figure located at this link http://ppstest2.com/images2/AL5002.jpg       Log On


   

Question 388431: Referring to the figure, write an equation of the line shown in
the graph. Figure located at this link http://ppstest2.com/images2/AL5002.jpg
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First solve for the slope,
m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29
m=%285-0%29%2F%280-%28-1%29%29
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Once you have the slope, use the slope-intercept form of a line.
y=mx%2Bb
Use either point to solve for b.
I'll use (0,-5).
-5=m%2A0%2Bb
b=-5
In this case, I didn't even need to know m to solve.
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.
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highlight%28y=mx-5%29
Solve for m and that's the equation of the line.