If the square of a number is 16, what is the number?

Practice Questions

Q1
If the square of a number is 16, what is the number?
  1. 3
  2. 4
  3. 5
  4. 6

Questions & Step-by-Step Solutions

If the square of a number is 16, what is the number?
  • Step 1: Understand that 'the square of a number' means multiplying the number by itself.
  • Step 2: We are given that the square of a number is 16.
  • Step 3: To find the number, we need to find the square root of 16.
  • Step 4: The square root of 16 is the number that, when multiplied by itself, equals 16.
  • Step 5: Calculate the square root of 16. The number is 4 because 4 * 4 = 16.
  • Step 6: Therefore, the number we are looking for is 4.
  • Square and Square Root – Understanding the relationship between a number and its square, as well as how to find the square root.
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