Mathematics for IGCSE & O level - Graphs Of Functions (Section 5 - No. 24)
What is the significance of the vertex of a parabola?
It is the x-intercept.
It is the y-intercept.
It is the maximum or minimum point of the graph.
It is the point where the graph crosses the y-axis.
Explanation
The vertex is either the highest or lowest point on the parabola.
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