Slope :-
... [tex]\frac{y2-y1}{x2-x1}[/tex]
Point slope form :-
... [tex]y1 - y2 = m ( x1 - x2 )[/tex]
Slope intercept form :-
... [tex]y = mx + b[/tex]
___________________________________________________________________
Slope :-
... [tex]\frac{-1-4}{0-(-2)}[/tex]
... [tex]\frac{-5}{2}[/tex]
... [tex]-2.5[/tex]
___________________________________________________________________
Point-slope :-
... -1 - y = -2.5 ( 0 - x )
___________________________________________________________________
Slope-intercept :-
... y = -2.5x + b
... 4 = 5 + b
... b = -1
........ y = -2.5x - 1
___________________________________________________________________
