SOLUTION: If I have the ordered pairs of (2,54) &(54,2) How would I figure out where they would intersect. I know there is an equation for it but I can't remember hwo to get it started.

Question 313708: If I have the ordered pairs of (2,54) &(54,2) How would I figure out where they would intersect. I know there is an equation for it but I can't remember hwo to get it started.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If I have the ordered pairs of (2,54) &(54,2) How would I figure out where they would intersect. I know there is an equation for it but I can't remember hwo to get it started.
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First find the slope of the line thru the points.
slope m = diffy/diffx = -52/52 = -1
Then use either point and y = mx + b to find the y-intercept, b.
54 = -1*2 + b
b = 56
--> y = -x + 56
x+y = 56

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