Question

Find the slope of the line passing through the two points on the line (1,2) and (5,1)

Answer 1

slope = -
`(1)/(4)`

Explanation:

calculate the slope m using the slope formula

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

with (x₁, y₁ ) = (1, 2 ) and (x₂, y₂ ) = (5, 1 )

m =
`(1-2)/(5-1)` =
`(-1)/(4)` = -
`(1)/(4)`