Core Mathematics

Question 1

1√18 = 3√2.

Easy

A. True B. False

Question 2

2Simplify 2√8.

Easy

A. 2√2 B. 16 C. 8√2 D. 4√2

Question 3

3Simplify 2√5 + 5√5.

Easy

A. 10√5 B. 7√10 C. 7√5 D. 35

Question 4

4Simplify (√2)² × 3 = ___

Easy

Your answer (fill in the blank)

Question 5

5Rationalising a denominator removes the surd from the denominator.

Easy

A. True B. False

Question 6

6Simplify (√3)² × 4 = ___

Easy

Your answer (fill in the blank)

Question 7

7Which is a surd?

Easy

A. √11 B. ∛8 C. √0.25 D. √49

Question 8

8Simplify √252.

Easy

A. 6√7 B. 7√6 C. 42√7 D. 36√7

Question 9

9Simplify √245.

Easy

A. 49√5 B. 35√5 C. 5√7 D. 7√5

Question 10

10Rationalise 3/√6.

Medium

A. 3/6 B. √6/3 C. √6/2 D. 3√6