Page 99 - ADVANCED MATH F.5

Form Five Form Five

3. Use Examples 5.32, 5.33, and 5.34 in the Student’s Book to
guide students to discuss the solutions of quadratic inequalities.
Engage students to use scientific calculators to obtain the real
roots of quadratic equations.
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4. In groups, devise strategies for assisting students in
brainstorming and explaining the steps for solving various
rational inequalities in the Student’s Book.

5. Develop hands on activities that can be used to assist students
to obtain the solution of rational inequalities. Engage students
to explore properties of rational inequalities in the Student’s
Book.
6. Use Examples 5.35 and 5.36 in the Student’s Book to guide
students in discussing the solutions of rational inequalities.
Ask students to use mathematical software to compare the
answers of the examples.
7. Through discussions guide students on the concept of absolute
value inequalities. Engage students to explore definitions 1 and
2 as well as types of absolute value inequalities in the Student’s
Book.

8. Use Examples 5.37, 5.38, and 5.39 in the Student’s Book
to guide students to discuss the solutions of absolute value
inequalities. Ask students to use mathematical softwares to
compare the answers of the examples.
9. Require students to attempt Exercise 5.5 in the Student’s Book.
Advise students to submit their work. Check the correctness of
their answers, and provide them constructive feedback.

Answers to Exercise 5.5

 1   5 
x
x
1.  x∈ : −< < 7 2. x∈ : << 11, x ≠ 4 

 3   3 
93
Mathematics for Advanced Secondary Schools

30/06/2024 18:02:20
ADVANCED MATH F.5 TG CHAPTERS.indd 93
ADVANCED MATH F.5 TG CHAPTERS.indd 93 30/06/2024 18:02:20