write an equation of a line that passes through the x-intercept 4 and y-intercept -2?? help me please
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OpenStudy (anonymous):
x-int = 4 -> point (4, 0)
y-int = -2 -> point (0, -2)
from those two points can you get the slope? :)
@hellokitty_13
OpenStudy (anonymous):
so u just add 0's to them
??
OpenStudy (anonymous):
mmm
x intercept means when y equals 0
y intercept means when x equals 0
... it's referencing the points on the graph
OpenStudy (anonymous):
ohhhhhh thxsss
:) :) :) :) :) :)
OpenStudy (anonymous):
u really helped me
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OpenStudy (anonymous):
you're welcome ^_^
I'm glad I could help :)
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
hey can u help on a different 1 plzzzzz
jigglypuff314 (jigglypuff314):
I can :) post your question
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
plz
OpenStudy (anonymous):
write an equation of the line that has each pair of intercepts.
x-intercept: -3 , y- intercept :6
jigglypuff314 (jigglypuff314):
the format for an equation of a line would be like y = mx + b
where b = y-intercept
and m = slope
OpenStudy (anonymous):
oh but how do u put it together
jigglypuff314 (jigglypuff314):
you would have to find the slope between the x intercept and the y intercept
which would be (6-0)/(0-(-3)) = 6/3 = 2
so now you can plug in 6 for b
and 2 for m into y = mx + b to get your equation :)
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OpenStudy (anonymous):
oh thxx :)
OpenStudy (anonymous):
btw wht grade r in?
jigglypuff314 (jigglypuff314):
me? I'm in 11th grade :)
OpenStudy (anonymous):
daaam
im in 8th wht high school do u go to
OpenStudy (anonymous):
??
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jigglypuff314 (jigglypuff314):
mmm I go to Immaculata High School in New Jersey
OpenStudy (anonymous):
whatt ur too far away i live in L.A. :(
jigglypuff314 (jigglypuff314):
lol yeah, there's people from all around the world on this site :)
I've seen some from india and Pakistan
OpenStudy (anonymous):
ohh im from pakistan
jigglypuff314 (jigglypuff314):
really? cool ^_^
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OpenStudy (anonymous):
yea where r u from
OpenStudy (anonymous):
:)
jigglypuff314 (jigglypuff314):
US new jersey :P
OpenStudy (anonymous):
ohh i
\
OpenStudy (anonymous):
kool
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OpenStudy (anonymous):
i reall y hate math
jigglypuff314 (jigglypuff314):
lol a lot of people do :P
but it's really not that hard, and you're pretty good at it! :)
just need some more practice