Mathematics
7 Online
OpenStudy (anonymous):
Write the equation of a line that passes through the points (8, 5) and (11, 14).
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OpenStudy (anonymous):
this is what i got
y – 5 = 3(x – 8)
OpenStudy (anonymous):
ok solve it now
OpenStudy (anonymous):
that is solved
OpenStudy (anonymous):
nope
OpenStudy (anonymous):
y + 5 = 3(x + 8)
y – 5 = 3(x – 8)
y + 5 = (x + 8)
y – 5 = (x – 8)
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OpenStudy (anonymous):
those are the only answers
OpenStudy (anonymous):
if you have y-5 =3(x+8), put it in y=mx+b form
OpenStudy (anonymous):
y-5 = 3x+24 => y=3x+29
OpenStudy (anonymous):
okay but that wasent any of my choices
OpenStudy (anonymous):
Ah I see what you mean.
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OpenStudy (wolf1728):
iambatman - recheck your addition
OpenStudy (anonymous):
so was i right?
OpenStudy (anonymous):
Nice catch wolf :)
OpenStudy (wolf1728):
thanks :-)
OpenStudy (anonymous):
Looked at the wrong equation lol.
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OpenStudy (wolf1728):
Iambatman posted
y-5 = 3x+24 => y=3x+29
but as you can see the equation becomes
y = 3x + 19
OpenStudy (anonymous):
y + 5 = 3(x + 8)
y – 5 = 3(x – 8)
y + 5 = (x + 8)
y – 5 = (x – 8)
OpenStudy (anonymous):
so which one?
OpenStudy (anonymous):
Wolf I looked at this first equation y+5=2(x+8) but yes you're correct reliver it's B
OpenStudy (anonymous):
3*
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OpenStudy (wolf1728):
Okay, so it is solved right?