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If a is greater than zero then the parabola opens upward.

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14y ago

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What way does a parabola open if a is negative?

Downwards


The equation below describes a parabola. If a is negative which way does the parabola open y ax2?

Down


Which way does a parabola open when the coefficient of its y2-term is positive?

Open to the right. Like the sign for a subset, or a rounded version of the less than symbol, <.


Which way does a parabola open when the coefficient of its x2term a is negative?

DOWN!


Which way does a parabola open when the coefficient of its y term a is negative?

When the coefficient of the y term ( a ) in the equation of a parabola is negative, the parabola opens downward. This means that its vertex is the highest point on the graph. Conversely, if ( a ) were positive, the parabola would open upward.


Which way does a parabola open when the coeffienct y2-term a is positive?

right


Which way does a parabola open when the coefficient of its y2-term is negative?

LEFT


If a is positive which way does the parabola open?

Upwards like a letter U


Given the standard equation for a parabola opening left or right which way does a parabola open when the coefficient of the y2-term a is positive?

right


Which way does a parabola open when the coefficent of its x2-term a is negative?

Opens downward.


Which way does a parabola open when the coefficient of its y2-term, a, is positive?

Open to the right. Like the sign for a proper subset, or a rounded version of the less than symbol, <.


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