Identifying Surds: Test Your Knowledge

This video tutorial provides practice questions and answers to help viewers identify surds. It covers determining whether numbers are surds, identifying surds in expressions and equations, classifying numbers as surds or non-surds, and recognizing surds in the context of right-angled triangles. The tutorial encourages viewers to pause and solve problems independently before reviewing the solutions.

Which of the following numbers is a surd?

• Sqrt 16

• 48

• Sqrt 7

• Sqrt 6.25

In the expression containing sqrt 5 and sqrt 10, which are the surds?

• Neither sqrt 5 nor sqrt 10

• Both sqrt 5 and sqrt 10

• Only sqrt 10

• Only sqrt 5

Classify the following as a surd: 2 square root 3.

• Rational number

• Non-surd

• Surd

• Whole number

Which of the following equations contains a surd?

• Equation with 1

• Equation with sqrt 25

• Equation with 9

• Equation with 2 square root 3

In a right-angled triangle, if one side is sqrt 13, which of the following is a surd?

• Sqrt 12.25

• 3

• 4

• Sqrt 13