Surds

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Surds Revision Questions

1. . Which of the following numbers is NOT a surd?

1. √17
2. √60
3. ∛216
4. ∜27

Reveal AnswerCorrect Answer: C

2. . Which of the following numbers is irrational but not transcendental? (r is radius of a circle)

1. π
2. √65.61
3. πr²
4. √(5&16)

Reveal AnswerCorrect Answer: D

3. . The number ∛40 is .

1. Transcendental
2. Surd
3. Rational
4. Integer

Reveal AnswerCorrect Answer: B

4. . Which of the following surds is identical to √(5&64) ?

1. √2/2
2. √2
3. 2√2
4. 2√(5&2)

Reveal AnswerCorrect Answer: D

5. . The surd ∛24 is not or cannot become a .........surd.

1. Pure
2. Mixed
3. Compound
4. Simple

Reveal AnswerCorrect Answer: D

6. . What is the simplest form of the expression

1. √39
2. 5√3
3. 7√3
4. 13√3

Reveal AnswerCorrect Answer: B

7. . What is the simplest form of the expression

1. √2
2. 2√2
3. 2
4. 3

Reveal AnswerCorrect Answer: D

8. . What is the simplest form of the expression

1. √3/3
2. √3
3. -√6/√18 - 6
4. -1/2

Reveal AnswerCorrect Answer: A

9. . What is the simplest form of the expression

1. 1/2
2. 7√2
3. 7∛2
4. ∛2

Reveal AnswerCorrect Answer: A

10. . What kind of surd is √5 + √10 ?

1. Mixed
2. Compound
3. Binomial
4. Similar

Reveal AnswerCorrect Answer: B

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2. Powers and Roots Math tutorial: Surds. Read the Surds math tutorial and build your math knowledge of Powers and Roots
3. Powers and Roots Video tutorial: Surds. Watch or listen to the Surds video tutorial, a useful way to help you revise when travelling to and from school/college
4. Powers and Roots Revision Notes: Surds. Print the notes so you can revise the key points covered in the math tutorial for Surds
5. Check your calculations for Powers and Roots questions with our excellent Powers and Roots calculators which contain full equations and calculations clearly displayed line by line. See the Powers and Roots Calculators by iCalculator™ below.
6. Continuing learning powers and roots - read our next math tutorial: Rationalising the Denominator

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