jolinethane jolinethane

22-01-2021
Mathematics

contestada

explain why the graph of [tex]y=2x^{2} +4x-k+1[/tex] has no x-intercepts when k=-5

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libbala5590 libbala5590

22-01-2021

Since the equation then turns into y=2x^2+4x+5+1, the +5+1 moves the vertex higher up on the y axis, meaning there would be no x-intercepts

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