nick1272 nick1272

18-12-2019
Mathematics

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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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Yang100 Yang100

18-12-2019

Answer:

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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