GRADE 8 QUIZ – Squares and Square roots chapter 2 Roots

The value of the square root of 784 is:

• 26

• 28

• 32

• 24

Which of the following numbers is not a perfect square?

• 144

• 256

• 289

• 338

Which of these numbers will have an odd number of factors?

• 50

• 81

• 100

• 144

The square root of 0.0009 is:

• 0.03

• 0.3

• 0.003

• 3

Without actually finding the square root, find the number of digits in the square root of 625.

Write the next two perfect squares after 625.

Find the smallest number by which 180 must be multiplied so that the product becomes a perfect square.

Is the square root of 50 a rational number or an irrational number? Give a reason for your answer.

A square field has an area of 4356 square metres. Find the length of each side.

The product of two consecutive positive integers is 156. Find the integers.