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Mathematics 8 Online
alones (alones):

I actually need help on this algebara

OpenStudy (alexandervonhumboldt2):

sure

alones (alones):

What is the y-intercept of the line whose equation is y = x - 3?

OpenStudy (alexandervonhumboldt2):

y=mx+b form where b is y-intercept

OpenStudy (alexandervonhumboldt2):

m is slope

alones (alones):

yep i know that do i graph

OpenStudy (alexandervonhumboldt2):

you need to graph it?

alones (alones):

on a grapgh

OpenStudy (alexandervonhumboldt2):

y intercept is where graph intersect y asis. it will always be the same for 1 line.

OpenStudy (alexandervonhumboldt2):

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alones (alones):

so since it cross the y in 3 quadrant it would be -3??

OpenStudy (alexandervonhumboldt2):

the y intercept would be -3

OpenStudy (alexandervonhumboldt2):

y=mx+b where b is y intercept. b=-3 in your case.

alones (alones):

okayii i see now i actually thought that if it's in a first quardrant it suppose to be 1/2 cuz it cross the line

alones (alones):

THX @AlexandervonHumboldt2 I get it now ...

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