Question

Find the slope of the line passing through the points ( 9, -5) and (1, -1)

Answer 1

m = -
`(1)/(2)`

Explanation:

(
`x_(1)` ,
`y_(1)` )

(
`x_(2)` ,
`y_(2)` )

m =
`(y_(2) -y_(1) )/(x_(2) -x_(2) )`

~~~~~~~~~

( 9 , - 5 )

( 1 , - 1 )

m = ( - 1 - ( - 5 ) ) / ( 1 - 9 ) = -
`(1)/(2)`