ExpertEasy1 markShort Answer
AQA GCSE · Question 01.1 · Number
Write down the value of √49
Write down the value of √49
How to approach this question
To find the square root of 49, you need to find a number that, when multiplied by itself, equals 49. Think about your multiplication tables. 7 x 7 = 49.
Full Answer
7
The symbol √ represents the square root. The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, we are looking for a number that, when squared, equals 49. We know from our times tables that 7 × 7 = 49. Therefore, the square root of 49 is 7.
Common mistakes
✗ A common mistake is to divide 49 by 2, which gives 24.5. The square root is not the same as halving.\n✗ Answering -7 is also a square root, but typically "the value" refers to the principal (positive) square root.
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