Question

Find the slope of the line that passes through the points (1, -2) and (9,7)

Answer 1

9/8

Explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

= ( 7 - -2)/( 9 - 1)

= ( 7+2)/( 9-1)

= 9/8