5.Squares and Square roots Quiz

What is a square number?

• A number that can be expressed as the product of two different natural numbers

• A number that can be expressed as the sum of two natural numbers

• A number that cannot be expressed as the product of two natural numbers

• A number that can be expressed as the product of two equal natural numbers

How can you determine if a natural number is not a perfect square?

• If it cannot be expressed as a sum of successive odd natural numbers starting with 1

• If it has an odd number of zeros at the end

• If it can be expressed as a sum of successive odd natural numbers starting with 1

• If it has an even number of zeros at the end

What is a characteristic of square numbers in terms of zeros at the end?

• They can have both even and odd number of zeros at the end

• They can only have even number of zeros at the end

• They can only have odd number of zeros at the end

• They cannot have any zeros at the end

What is the inverse operation of square?

• Addition

• Subtraction

• Multiplication

• Square root

How many integral square roots does a perfect square number have?

• Four

• Two

• One

• Three

What is the positive square root of 9?

• √8

• √6

• √9

• √10

What is the positive square root of 16?

• √14

• √15

• √16

• √17

What is the positive square root of 25?

• √23

• √26

• √25

• √24

What is the positive square root of 36?

• √34

• √35

• √37

• √36

What is the positive square root of 49?

• √50

• √47

• √48

• √49