Why do some quadratic graphs move left or right and others do not? Is there a correlation between this and them moving up and down? How would you demonstrate your reasoning is correct?

Question

Kai Ingram

Mathematics

6 June, 14:50

Why do some quadratic graphs move left or right and others do not? Is there a correlation between this and them moving up and down? How would you demonstrate your reasoning is correct?

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Answers (1)

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Anabella · Answer 1

(x + 3) ^2 is left 3 because it becames 0 at - 3

(x - 3) ^2 is right 3 because it becames 0 at 3

x^2 + 3 is up 3 because your just adding 3 units up

x^2 - 3 is down 3 because your just subtracting 3 units down