IB DP Maths: AA SL复习笔记2.2.1 Quadratic Functions
Quadratic Functions & Graphs
What are the key features of quadratic graphs?
-
If a is positive then the vertex is the minimum point- If a is negative then the vertex is the maximum point
What are the equations of a quadratic function?
How do I find an equation of a quadratic?
Exam Tip
- Use your GDC to find the roots and the turning point of a quadratic function
- You do not need to factorise or complete the square
- It is good exam technique to sketch the graph from your GDC as part of your working
Worked Example
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