Unit 1

3 marks · Easy

Consider the numbers: . Let set N = \{ 6, 18, 24 \}. Consider the fraction .

(a)

Write down all the elements of set N.

[1 mark]

(b)

Simplify the fraction .

[1 mark]

(c)

Find the largest element of N.

[1 mark]

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show answer

(a) 6, 18, 24

(b) \frac{1}{4}

Show mark scheme and worked solution

Marking points

B1 (a) · 1 mark · Lists all elements of set N correctly.

A1 (b) · 1 mark · Simplifies correctly to .

B2 (c) · 1 mark · Correctly finds the largest element (24).

Worked solution

a) N = \{6, 18, 24\}, so the elements are 6, 18, and 24.

b) after dividing top and bottom by 6.

c) The largest element is 24.