the function f(x)=3x+12x+11 can be written in vertex form as?

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02-02-2018
Mathematics

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the function f(x)=3x+12x+11 can be written in vertex form as?

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selinaj015 selinaj015 · Answer 1 · 2018-02-09T20:46:51+01:00

selinaj015 selinaj015

09-02-2018

y = -3(x - 2)^2 + 1 x-coordinate of vertex: x = -b/(2a) = -12/-6 = 2 y-coordintae of vertex: y(2) = -12 + 24 - 11 = 1 Vertex form: y = -3(x - 2)^2 + 1 Check. Develop y to get back to standard form: y = -3(x^2 - 4x + 4) + 1 = -3x^2 + 12x - 11.

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