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Earn +20 ptsQ: Does the parabola open up or down?
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Is it true graph is reflected about the x-axis and the parabola opens down?
No. A parabola can open up or down.
Given the standard equation for a parabola opening up or down which way does a parabola open when the coefficient of the x2term a is negative Up or down?
down
Given the standard equation for a parabola opening up or down which way does a parabola open when the coefficient of the x2 term a is positiveUp or down?
In that case it opens upwards.
How do you find a parabola opening up or down?
If you can mash the equation for the parabola into the form Y = Ax2 + Bx + C, then the parabola opens up if 'A' is positive, and down if 'A' is negative.
Is y equals 3x2 -7x plus 2 an up or down parabola?
It is an up parabola.
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