Mathematics for IGCSE & O level - Sketching Curves (Section 3 - No. 1)
Which of the following is NOT a key point to consider when sketching any graph?
Where it crosses the x-axis
Where it crosses the y-axis
The turning point (if any)
The exact location of all points.
Explanation
While the x & y-intercepts, and turning points, are crucial, the exact location of ALL points is unnecessary for a basic sketch.
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