Key9W3ineqsoma Key9W3ineqsoma

02-10-2016
Mathematics

contestada

what is the slope of the straight line through points (2,8) and (4,6)?

Respuesta :

Kunchan Kunchan

03-10-2016

Slope of the line
(8-6)/(2-4)
2/-2
-1

General equation of the line
y = mx + c

m=-1
so
y = -x + c
if it passes through (2,8)
8 = (-1*2) + c
8 = -2 + c
c = 10

so the equation is
y = -x + 10

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