empressflamingo empressflamingo

25-09-2017
Mathematics

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The vertex of the parabola is at (-4, -1) when the y-value is 0, the x-value is 2 what is the coefficient of the squared term in the parabolas equation

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Аноним Аноним

25-09-2017

In vertex form the equation of the parabola is

y = a(x + 4)^2 - 1 where a is the coefficient of the squared term.
When x = 2 y = 0 so:-

0 = a(2 + 4)^2 - 1
0 = 36a - 1

a = 1/36 <----- Answer

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