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2 February, 18:09

Write an equation of the parabola in intercept form that passes through (0, - 18) with x-intercepts of 9 and 1

An equation of the parabola is y=

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  1. 2 February, 18:18
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    y=-2 (x-9) (x-1)

    Step-by-step explanation:

    y=a (x-r) (x-s)

    y=a (x-9) (x-1)

    -18=a (0-9) (0-1)

    -18=a (-9) (-1)

    -18=a (9)

    -18=9a

    a=-18/9

    a=-2

    y=-2 (x-9) (x-1)
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