#help needed for a maths question for revision

11 messages · Page 1 of 1 (latest)

orchid lodge
mint rootBOT
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  1. Wait patiently for a helper to come along.
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sharp sonnet
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Sorry, what is the question?

orchid lodge
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that is the question

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it says

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on the paper

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sketch the curve

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and label where curve crosses y and x axis'

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@sharp sonnet

sharp sonnet
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Oke, the formula is a second order polynomial, or in other words, a quadratic equation. The resulting parabola has a valley shape because a > 0. The x component of its vertex can be found using $\frac{b}{2a}$ and the intersections with the x axis can be found using the quadratic forumula.