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Which of the following equations is of a parabola with a vertex at (1, 2)

User Xixis
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1 Answer

4 votes

Answer:

y = a(x - 1)² - 2

where a is any real number except 0.

Explanation:

The vertex formula of an equation of a parabola:


y=a(x-h)^2+k

(h, k) - vertex

We have the vertex (1, -2). Substitute:


y=a(x-1)+(-2)=a(x-1)^2-2

User Joshua Sullivan
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