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March 31, 2015

March 31, 2015

Posted by **Izzy** on Thursday, March 1, 2012 at 7:32pm.

y=-1/4x^2-24

- Math; Please Help!o: -
**MathMate**, Thursday, March 1, 2012 at 7:39pmy=-1/4x^2-24

Hints:

If the leading coefficient of a quadratic expression is negative, it opens downwards.

For a general quadratic equation

y=ax²+bx+c,

The axis of symmetry is at the line

y=-b/2a

- Math; Please Help!o: -
**Poop.**, Thursday, March 1, 2012 at 7:45pmWhich one is the B in my equation?

- Math; Please Help!o: -
**MathMate**, Thursday, March 1, 2012 at 8:57pmy=ax˛+bx+c,

b is the coefficient of the term in x.

Since your expression does not have an x-term, b=0.

- Math; Please Help!o: -
**Poop.**, Thursday, March 1, 2012 at 10:07pmThank you!

- Math; Please Help!o: :) -
**MathMate**, Thursday, March 1, 2012 at 10:17pmYou're welcome!

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