SOLUTION: Given a quadratic equation y = ax2 + bx + c, what is the effect of increasing the value of a on the parabola? What is the effect of decreasing the value a toward 0 on the parabola?

Question 77746: Given a quadratic equation y = ax2 + bx + c, what is the effect of increasing the value of a on the parabola? What is the effect of decreasing the value a toward 0 on the parabola?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The "a" determines how broad or how narrow the curve bowl is.
If a is positive the bowl opens upward:
Increasing "a" makes the bowl be narrower.
Decreasing "a" makes the bowl be broader.
If a is negative the bowl opens downward.
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Cheers,
Stan H.
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