SOLUTION: The point-slope form of an equation of a line is represented by y-y1=m (x-x1). Which of these could be used to determine the slope? A. y1-x1/y-y1 B. x-x1/y-y1 C. y-y1/x-

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The point-slope form of an equation of a line is represented by y-y1=m (x-x1). Which of these could be used to determine the slope? A. y1-x1/y-y1 B. x-x1/y-y1 C. y-y1/x-      Log On

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Question 117177: The point-slope form of an equation of a line is represented by y-y1=m
(x-x1). Which of these could be used to determine the slope?
A. y1-x1/y-y1
B. x-x1/y-y1
C. y-y1/x-x1
D. x1-x/y1-y
Answer by jim_thompson5910(21685) About Me  (Show Source):
You can put this solution on YOUR website!
Since m is the slope, we can solve for m

y-y%5B1%5D=m%28x-x%5B1%5D%29 Start with the given equation

%28y-y%5B1%5D%29%2F%28x-x%5B1%5D%29=m Divide both sides by x-x%5B1%5D to isolate m


So the slope of y-y%5B1%5D=m%28x-x%5B1%5D%29 is m=%28y-y%5B1%5D%29%2F%28x-x%5B1%5D%29

So the answer is C)