Question

What is the slope of this line a) 1/4 b) 4 c) -1/4 the 1 is not negitive the / is negitive d) -4

Answer 1

to get the slope of any straight line, we simply need two points off of it, so let's use those two in the picture below.

`(\stackrel{x_1}{-1}~,~\stackrel{y_1}{6})\qquad (\stackrel{x_2}{1}~,~\stackrel{y_2}{-2}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-2}-\stackrel{y1}{6}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{(-1)}}} \implies \cfrac{-8}{1 +1} \implies \cfrac{ -8 }{ 2 } \implies - 4`