23paytancooley 23paytancooley

08-10-2021
Mathematics

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What are the x and y-intercepts and the vertex of x^2+2x-80? Sketch the graph and write the equation in graphing form.

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amitshah585 amitshah585

08-10-2021

X^2 + 2x - 80
So if we factorise
(X+10)(x-8)
So x intercepts are (-10, 8)
The y intercept and vertex is -80

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