Question 934822

if {{{x}}} is the number of hours you sleep and {{{y}}}  is the number of hours you're awake, {{{x}}}  and {{{y}}}  are related exactly by a linear equation {{{y=mx+b}}} with a negative slope
so, {{{y=24-x}}} or {{{y=-x+24}}} where a slope is {{{-1}}}


The correct answer is: D) exactly {{{-1.0}}}