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January 27, 2015

January 27, 2015

Posted by **Kelly** on Tuesday, October 6, 2009 at 9:20pm.

ex. y=-4(x+1)2+4

[The 2 after the bracket is a square)

- Math 11 -
**brandon**, Tuesday, October 6, 2009 at 9:22pma parabola on a graph opens upwards if the "a" value in y=a(x+b)^2+c is positive. If "a" is negative, it opens downwards.

in the example it would open down, because the "a" value is negative

- Math 11 -
**Kelly**, Tuesday, October 6, 2009 at 9:23pmOHHHH !!!

okaay thanks !

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