SOLUTION: Find an equation of the line that contains the given pair of points (22,24) (7,9)

Algebra ->  Linear-equations -> SOLUTION: Find an equation of the line that contains the given pair of points (22,24) (7,9)      Log On


   

Question 667889: Find an equation of the line that contains the given pair of points (22,24) (7,9)
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
First find the slope of the line
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slope = %28y2-y1%29%2F%28x2-x1%29+=+%289-24%29%2F%287-22%29+=+%28-15%29%2F-15+=+1
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Use either of the coordinates and the determined slope to find the y-intercept, b.
24 = 1(22) + b
b = 24 - 22 = 2
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highlight%28y+=+x+%2B+2%29
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graph%28300%2C200%2C-5%2C25%2C-5%2C25%2Cx%2B2%29
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