Q. 2

# State which of the following are surds. Justify.i. ii. iii. iv. v. vi.

Surds are numbers left in root form (√) to express its exact value. It has an infinite number of non-recurring decimals. Therefore, surds are irrational numbers.

Therefore,

i.

It is a surd it cannot be expressed as a rational number.

ii.

It is a surd it cannot be expressed as a rational number.

iii.

It is a surd it cannot be expressed as a rational number.

iv. √256 = √162 = 16

It is not a surd it is a rational number.

v.

It is not a surd it is a rational number.

vi.

It is a surd it cannot be expressed as a rational number.

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