CAIE IGCSE Additional Math 1.4 y=f(x) and y=|f(x)|
Use this absolute-value functions page to sketch |f(x)| by keeping positive parts and reflecting negative parts above the x-axis.
- Syllabus
- 2028–2030
- Course
- Additional Mathematics 0606
Exam points
- Sketch y=|f(x)| by reflecting the negative part of y=f(x) above the x-axis.
- Show exact intercepts when sketching absolute-value linear or quadratic graphs.
1.4. Relate y = f(x) and y = |f(x)| question 1
(a) Find the coordinates of the stationary point on the curve y=(x+3)(x-4).
On the axes, sketch the graph of y=|(x+3)(x-4)|, stating the intercepts with the axes.
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