Explain why the graph of y=2x^(2) +4x-k+1 has no x-intercepts when k=-5

asked Oct 27, 2022 208k views

12 votes

Explain why the graph of
y=2x^(2) +4x-k+1

has no x-intercepts when k=-5

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5 votes

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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