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Rationalise the denominator

10th grade (Year 11 in England) · 16 questions · Common Core: HSN.RN.A.2 · England: GCSE Higher Number

Name

Date

Score/ 16

  1. Question 1

    Rationalise 23/(5 + √2). The result is p − q√2. What is p?

    Answer

  2. Question 2

    Rationalise: 6/√6 = k√6. What is k?

    Answer

  3. Question 3

    Rationalise 18/(3 + √3). The result is p − q√3. What is p?

    Answer

  4. Question 4

    Rationalise: 42/√7 = k√7. What is k?

    Answer

  5. Question 5

    Rationalise 46/(5 + √2). The result is p − q√2. What is p?

    Answer

  6. Question 6

    Rationalise: 35/√7 = k√7. What is k?

    Answer

  7. Question 7

    Rationalise 26/(4 + √3). The result is p − q√3. What is p?

    Answer

  8. Question 8

    Rationalise: 9/√3 = k√3. What is k?

    Answer

  9. Question 9

    Rationalise 39/(4 + √3). The result is p − q√3. What is p?

    Answer

  10. Question 10

    Rationalise: 10/√5 = k√5. What is k?

    Answer

  11. Question 11

    Rationalise 2/(2 + √2). The result is p − q√2. What is p?

    Answer

  12. Question 12

    Rationalise: 6/√6 = k√6. What is k?

    Answer

  13. Question 13

    Rationalise 14/(3 + √2). The result is p − q√2. What is p?

    Answer

  14. Question 14

    Rationalise: 12/√3 = k√3. What is k?

    Answer

  15. Question 15

    Rationalise 9/(4 + √7). The result is p − q√7. What is p?

    Answer

  16. Question 16

    Rationalise: 21/√7 = k√7. What is k?

    Answer

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