Question

What is the slope of the line through (3,8) and (9,5)?

Answer 1

`"slope "=-1/2`

Explanation:

`"to calculate the slope m use the "color(blue)"gradient formula"`

`•color(white)(x)m=(y_2-y_1)/(x_2-x_1)`

`"let "(x_1,y_1)=(3,8)" and '(x_2,y_2)=(9,5)`

`rArrm=(5-8)/(9-3)=(-3)/6=-1/2`