Topics
21. Functions
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iGCSE (2021 Edition)

21.05 Quadratic functions

Lesson
Worksheet
Practice

Interactive practice questions

Does the parabola represented by the equation $y=x^2-8x+9$y=x2−8x+9 open upward or downward?

Upward

A

Downward

B
Easy
< 1min

The graph of $y=x^2+6$y=x2+6 has no $x$x-intercepts.

True or False?

Easy
< 1min

Consider the given graph and answer the following questions.

Easy
1min

Consider the given curve.

Easy
2min
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Outcomes

0580C2.11B

Construct tables of values for functions of the form ± x^2 + ax + b, where a and b are integer constants. Draw and interpret these graphs. Solve quadratic equations approximately, including finding and interpreting roots by graphical methods. Recognise, sketch and interpret graphs of functions

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