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OpenStudy (anonymous):
write parabola in standard form: x^2-2x+8y+17=0
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OpenStudy (anonymous):
So far i have attempted this problem but feel my work looks strange, I ended up with this as my answer:
8(y-(137/8)^2)=(x-1)^2
OpenStudy (anonymous):
standard form like
\[(x-h)^2=4py\] that kind of standard form?
OpenStudy (anonymous):
yes @satellite73 that is correct!
OpenStudy (anonymous):
\[ x^2-2x+8y+17=0\] start with
\[x^2-2x=-8y-17\] then complete the square on the left
i have no idea how you got your answer!
OpenStudy (anonymous):
it would be (x-1)^2
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OpenStudy (anonymous):
for the left side!
OpenStudy (anonymous):
yes
and how about for the right?
OpenStudy (anonymous):
thats where i think i got stuck i wasnt sure what to do :|
OpenStudy (anonymous):
add 1!
OpenStudy (anonymous):
\[(x-1)^2=x^2-2x+1\] you added 1 to the left, you have to add 1 to the right
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OpenStudy (anonymous):
thats right!
OpenStudy (anonymous):
so then,
OpenStudy (anonymous):
i would have -8y -16 .... -8(y+2)
OpenStudy (anonymous):
guess so yes
OpenStudy (anonymous):
wow not nearly as hard as all those other questions you usually ask!
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OpenStudy (anonymous):
haha your always here to help me! this section is review and i haven't done this in years so its faded :|
OpenStudy (anonymous):
yeah that algebra gets you every time!
OpenStudy (anonymous):
sadly yes :| lol
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