SOLUTION: Find an equation of the line passing (-7,2) and (4,5)

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Question 685894: Find an equation of the line passing (-7,2) and (4,5)
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find an equation of the line passing (-7,2) and (4,5)
Equation of a line: y=mx+b, m=slope, b=y-intercept
For given problem:
m=∆y/∆x=(5-2)/(4-(-7))=3/11
equation: y=3x/11+b
solve for b using one of given coordinates(4,5)
5=3*4/11+b
b=5-12/11
b=55/11-12/11=43/11
equation: y=3x/11+43/11
see graph below:
+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C3x%2F11%2B43%2F11%29+