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
Question 1
Rationalise 18/(5 + √7). The result is p − q√7. What is p?
Answer
Question 2
Rationalise: 18/√6 = k√6. What is k?
Answer
Question 3
Rationalise 20/(5 + √5). The result is p − q√5. What is p?
Answer
Question 4
Rationalise: 28/√7 = k√7. What is k?
Answer
Question 5
Rationalise 12/(3 + √5). The result is p − q√5. What is p?
Answer
Question 6
Rationalise: 12/√2 = k√2. What is k?
Answer
Question 7
Rationalise 21/(3 + √2). The result is p − q√2. What is p?
Answer
Question 8
Rationalise: 20/√5 = k√5. What is k?
Answer
Question 9
Rationalise 7/(3 + √2). The result is p − q√2. What is p?
Answer
Question 10
Rationalise: 21/√7 = k√7. What is k?
Answer
Question 11
Rationalise 18/(5 + √7). The result is p − q√7. What is p?
Answer
Question 12
Rationalise: 12/√2 = k√2. What is k?
Answer
Question 13
Rationalise 39/(4 + √3). The result is p − q√3. What is p?
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Question 14
Rationalise: 2/√2 = k√2. What is k?
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Question 15
Rationalise 46/(5 + √2). The result is p − q√2. What is p?
Answer
Question 16
Rationalise: 5/√5 = k√5. What is k?
Answer
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