Level 3-4 Algebra - Square Roots

1. The √ sign is referred to as what?

   • Square
   • Squared
   • Square root
   • Square rooted

2. What is the square root of 16?

   • 2 or -2
   • 4 or -4
   • 6 or -6
   • 8 or -8

3. What is the square root of 81?

   • 3 or -3
   • 6 or -6
   • 9 or -9
   • 12 or -12

4. Which of these numbers has a whole number as a square root?

   • 30
   • 32
   • 34
   • 36

5. Which of these figures does not have a whole number as a square root?

   • 25
   • 35
   • 49
   • 64

6. What is the quickest way to find the square root of 8?

   • Divide 8 by 2
   • Multiply 8 x 2
   • Take 2 from 8
   • Use a calculator

7. What is the square of 9?

   • 3
   • 6
   • 9
   • 81

8. What is the square root of 100?

   • 2 or -2
   • 10 or -10
   • 25 or -15
   • 50 or -50

9. You are given the two numbers '9 squared' and '81'. How do they relate to each other?

   • 81 is the larger number
   • 9 squared is the larger number
   • They are both the same
   • They are in no way related

10. You are given the two numbers '3 squared' and 'the square root of 100'. How do they relate to each other?

    • 3 squared is the larger number
    • The square root of 100 is the larger number
    • They are both the same
    • There is no way of telling

Quiz written by Colin King