what transformation brings P(x)=-5x^2+80x-140 to P(x)=-5x^2+160x-560

what transformation brings P(x)=-5x^2+80x-140 to P(x)=-5x^2+160x-560
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1 Answer

P(x)=-5(x-14)(x-2) and -5(x-28)(x-4).

The zeroes have been doubled. This means the scale of the x-axis has been doubled. This has the effect of quadrupling the scale of the y-axis.

Consequently the x coord of the vertex has been doubled and the y coord of the vertex is quadrupled.

by Top Rated User (1.1m points)

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