Question

What is the equation in point-slope form of the line passing through (2, 5) and (−1, 8)?

Answer 1

Hello : let  A(2,5)    B(-1,8)
the slope is :   (YB - YA)/(XB -XA)= (8-5)/(-1-2)=3/-3 = -1 
the equation in point-slope form is : y-5 = -(x-2)