Mathematics for IGCSE & O level - Sketching Curves (Section 4 - No. 43)
When sketching a quadratic graph of the form \(y = ax^2 + bx + c\), which steps are usually needed?
Finding the turning point
Finding the x-intercepts
Finding the y-intercept
Differentiating the function to find the axis of symmetry
Explanation
To sketch a quadratic graph, you usually need to determine the turning point, x-intercepts, and y-intercept.
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