Posted by **Greg** on Thursday, August 11, 2011 at 7:17am.

in the quadratic formula ax©÷+bx+c, what does the "a" stand for in ax©÷?

- math -
**drwls**, Thursday, August 11, 2011 at 7:42am
I assume that ax© means a x^2.

a is a constant or "coefficient" that multiplies the x^2 term.

- math -
**Anonymous**, Thursday, August 11, 2011 at 7:46am
In the quadratic formula y=ax^2+b+x

Changing c moves it up and down.

Changing b changes the slope.

Changing a alters the curvature of the parabolic element.

The general rule is, that as the absolute value of "a",becomes greater than 1, the graph becomes steep or narrow.

Changing "c" only changes the vertical position of the graph, not it's shape.

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