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Jaydon Moyer
Mathematics
17 July, 04:18
When does a parabola open upward
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Jacquelyn Hooper
17 July, 04:26
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y=ax^2+bx+c
When "a" is positive, opens upward.
When "a" is negative, opens downward.
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Gloria Pham
17 July, 04:42
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If the x is squared, the parabola is vertical (opens up or down). If the y is squared, it is horizontal (opens left or right). If a is positive, the parabola opens up or to the right. If it is negative, it opens down or to the left.
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