F3 Final Exam 12-13 Section A, B Suggested Solutions

Section A

well attempted.

well attempted.

well attempted.

Some students gave

correct answers of a

cube but they were

asked to consider a

square.

Some students forgot to

give reasons when

finding an angle.

well attempted.

well attempted.

well attempted.

Section B

Well attempted.

Many students forgot

the meaning of

orthocentre and failed

to locate the right angle

in order find a side of

the triangle.

Well attempted. This

is an open ended

question to exolain the

use of appropriate

average of some data.

This was a question

involving both

trigonometry and

algebra. Students

answered well.

Well attempted.

Although, again,

students sometimes

forgot to give reasons

in this geometry

question.

This question was the

extension of factorizing

a quadratic expression

to solve the equation

and inequality.

Stduents were able to

get correct answers and

present well.

Well attempted with

full understanding of

the relationship

between parallel lines,

perpendicular lines and

their slopes.

Well attempted.

Well attempted.

Some students failed to

determine a fair game

by comparing the

expected value with the

cost.