Reciprocals & their graphs
Edexcel GCSE Maths revision on Reciprocals & their graphs. Aligned to the Pearson Edexcel GCSE Mathematics 1MA1 specification. This bank has 16 practice questions on this topic.
Sample questions (3 of 16)
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Question 1
What is the reciprocal of the number 8?
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Answer: 0.125
The reciprocal of a number x is 1 divided by x. Therefore, the reciprocal of 8 is 1 divided by 8, which is 0.125.
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Question 2
Which of these expressions represents the reciprocal of 0.25?
- A) Four because one divided by 0.25 is four units
- B) Zero because one divided by 0.25 is zero units
- C) Half because one divided by 0.25 is half units
- D) Five because one divided by 0.25 is five units
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Answer: Four because one divided by 0.25 is four units
Since 0.25 is the same as one quarter, its reciprocal is 4. The other options fail to correctly apply the division of one by the decimal.
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Question 3
What is the reciprocal of the fraction 3/5?
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Answer: 5/3
The reciprocal of a fraction a/b is b/a. By swapping the numerator 3 and the denominator 5, we obtain 5/3.
Want to test yourself on the remaining cards for this topic?
13 more questions on Reciprocals & their graphs — plus mistakes tracking and spaced repetition across the whole Maths spec.