A few days ago
Anonymous

Write an equation for the line containig the points (1,3)(-2,1)?

Write an equation for the line containig the points (1,3)(-2,1)?

Top 1 Answers
A few days ago
Anonymous

Favorite Answer

writing an equation for given two points in the analytical plane is

(x-x1)/(x1+x2)=(y-y1)/(y1+y2)

our points are

(1,3) => x1=1 and y1=3

and

(-2,1)=> x2=-2 and y2=1

so;

(x-1)/(1-(-2))=(y-3)/(3-1) from here;

(x-1)/3=(y-3)/2 => 2x-2 = 3y-9 so;

y=(2x-7)/3

Good Luck!

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