write the standard form of the equation

x^2-4x+8y+12=0

find the focus

i have it down to (x-2)^2=-8(y-8) is this right?

i'm not sure if you have to multiply the -8 on the right side of the equations by 4 since the focus is 1/4a

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- January 24th 2010, 04:39 PMmarkwjakParabola Finding the focus
write the standard form of the equation

x^2-4x+8y+12=0

find the focus

i have it down to (x-2)^2=-8(y-8) is this right?

i'm not sure if you have to multiply the -8 on the right side of the equations by 4 since the focus is 1/4a - January 24th 2010, 05:22 PMskeeter
- January 24th 2010, 05:27 PMmarkwjak
- January 25th 2010, 03:58 AMHallsofIvy