parallel is one answer

and perpendicular is another

i also have to find the equation of a line that contains points (1,-2)

i have to graph all 3 on a cartisian plane
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1 Answer

yukan hav infinite lines thru 1 point...chuez yer slope

yer point=(1,-2)

y=slope*x+konstant or  y=mx+k

wen x=1, we want y=-2

m*1+k=-2

so...m=-k-2  or   k=-2-m, take yer pik
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