Posted by **Michelle** on Monday, November 5, 2007 at 10:40pm.

write an eguation in standard form of the that passes through the two points. ( 1,4) ( 5,7) please explain.thanks..

- Algebra 1 -
**drwls**, Tuesday, November 6, 2007 at 12:23am
The slope of the line is (7-4)/(5-1)= 0.75

The equation of the line is

(y-4)/(x-1) = slope = 0.75

y = 0.75 x + 3.25

==============

There are other ways to do it. You could write down the standard form y = mx + b and substitute the two pairs of (x,y) numbers,

4 = m + b

7 = 5m + b

and then solve for m and b.

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