Mathematics for IGCSE & O level - Sketching Curves (Section 4 - No. 8)
If the turning point of a quadratic graph is at (2, 3) and the line of symmetry is x = 2, what is the equation of the graph's axis of symmetry?
x = 3
y = 2
x = 2
y = 3
Explanation
The line of symmetry for a quadratic graph is a vertical line that passes through the x-coordinate of the turning point. Given the turning point (2, 3), the axis of symmetry is x = 2.
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