Mathematics for IGCSE & O level - Sketching Curves (Section 2 - No. 3)
If a quadratic graph has a turning point at (1, 2) and opens downwards, what can you conclude about its maximum value?
The maximum value is 1.
The maximum value is 2.
The minimum value is 2.
There is no maximum value.
Explanation
The turning point is the vertex and is the maximum (if open down).
Comments (0)
