write in standord form and find vertices, foci, directrix?
write the parabola y^2+6y+8x=25=0 in standord form and find vertex, focus, and directrix. i need help with this problem. i cant write the parabola in standard for. PLEASE HELP!
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y^2 + 6y + 8x + 25 = 0, so y^2 + 6y + 9 = -8x - 16, or
(y + 3)^2 = -8(x + 2).