Posted by Kate on Thursday, May 24, 2012 at 9:06pm.
108x = -3y^2 - 6y + 969
108x = -3(y^2 + 2y + 1) + 972
x = -1/36 (y+1)^2 + 9
I'm not too sure how to do the second one. I'm really sorry.
Can you solve this one?:
& I made a mistake one the second one!!
44y = -x^2 - 14x - 313
44y = -(x^2 + 14x +49-49 - 313
44y = -( (x+7)^2 - 49 ) - 313
44y = -(x+7)^2 + 49 - 313
44y = -(x+7)^2 - 264
44y + 264 = -(x+7)^2
44(y + 6) = -(x+7)^2
y + 6 = (-1/44) (x+7)^2 , in the form that was requested.
x^2 - 12x - 372 = 48y
x^2 - 12x +36 = 48y + 372 +36
(x-6)^2 = 48y + 408
(x-6)^2 = 48(y + 8.5)
y + 8.8 = (1/48) (x-6)^2
Thank you so much! you made more sense than my teacher!
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