3 years ago

Graph the image of this figure after a dilation with a scale factor of 2 centered at the origin.

Mathematics

1 answer:

zavuch27 [327]3 years ago

3 0

Find ever origin and then multiplying by the <span>scale factor of 2 and i promise you will get your answer</span>

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gavmur [86]

Answer:

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$y = {x}^{2} - 6x - 7 \\ plug \: y = 0 \\ {x}^{2} - 6x - 7 = 0 \\ {x}^{2} - 6x + 9 = 7 + 9 \\ (x - 3)^{2} = 16 \\ (x - 3) = \pm 4 \\ x = 4 + 3 \: or \: x = - 4 + 3 \\ x = 7 \: or \: x = - 1$

Its mean graph should intersect x axis at x = 7 and x = - 1. This everything is satisfied by graph A.

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zimovet [89]

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Lera25 [3.4K]

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