What is the slope of the line passing through the following points: (-3,-2),(-4, 1) ?

1 Answer
Dec 2, 2015

y=-3x-11

Explanation:

If you know two points of a line with coordinates (x_1,y_1) and (x_2,y_2), then the equation for the line is

\frac{x-x_2}{x_1-x_2} = \frac{y-y_2}{y_1-y_2}

Plug your values:

\frac{x+4}{-3+4} = \frac{y-1}{-2-1}

x+4 = \frac{y-1}{-3}

-3(x+4)=y-1

-3x-12=y-1

y=-3x-11