Verified Answer :

apologiabiology

the ilne paralell to x=something is x=something else (both are constants)

slope=rise/run

x=-3
it rises infiniley and runs 0 (goes left to right 0)
slope=infinity/0=undefined

the slope is undefined
paralell lines have same slope
so the slope of a paralell line is also undefined

KittyCatBritney

a parallel line has the same slope and the slope intercept form is Y=mx+b x being the slope so that would be y=-3m+b so a parallel lines slope would also be -3.

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