Miriam Bugeja
April 13, 2020
9:32 am
This Lesson Was Contributed By:
Mathematics Department
This Lesson is For:
Lesson Duration:
200 mins.
What Should You Expect From This Lesson?
At the end of this lesson you will be able to: [1] Draw quadratic graphs and identify maxima/minima; [2] Use quadratic graphs to solve equations of the form f(x) = c.
How To Carry Out This Lesson At Home:
Lesson [1] Draw quadratic graphs and identify the maxima/minima
Watch the following video:
1. Learn how to fill in the table of values for a quadratic function – https://www.youtube.com/watch?v=5ebsQN1SLt8
2. Drawing a quadratic graph (watch the video until 7:30) – https://www.youtube.com/watch?v=XKyLht93jqM
3. Drawing a quadratic graph (with a maxima) – https://www.youtube.com/watch?v=Xom5vU2rvCM
4. Identifying maxima and minima (watch the video until 2:59) – https://www.youtube.com/watch?v=XScVP0UrN3M
Suggested Practice:
Formula One Maths Practice Book page 46 ex 11.5 nos. 1, 2, 3 (a-b)
Formula One Maths Student Book page 107 no 2
Check your answers
Lesson [2] Use quadratic graphs to solve equations of the form f(x) = c
Watch the following video:
Use quadratic graphs to solve equations of the form f(x) = c – https://www.youtube.com/watch?v=7C3f-sYMNCU
Suggested Practice:
Formula One Maths Student Book page 109 nos. 6, 7 and 8
Quadratic Graphs Worksheet (document attached in the Resources Section)
Check your answers (document attached in the Resources Section)
Acknowledgements: St Clare College Secondary School and National Sport School
