Question 1011424


 {{{y=mx+b}}} is slope-intercept form where {{{m}}} is a slope and {{{b}}} is y-intercept
You have {{{y=-2}}} which means {{{y=0*x-2}}} where {{{m=0}}} is a slope and {{{b=-2}}}
so, this is a horizontal line and slope is {{{0}}}. 

{{{ graph( 600, 600, -10, 10, -10, 10, -2,-2) }}}