Mathematics for IGCSE & O level - Graphs Of Functions (Section 3 - No. 26)
In the equation y = (x - 3)² + 1, what is the vertex of the parabola?
(3, 1)
(-3, 1)
(1, 3)
(1, -3)
Explanation
The vertex form is y = a(x - h)² + k, so the vertex is (h, k) = (3, 1).
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