Math 8 Unit 8 Practice (Lessons 1-5)

Which number is a perfect square?

• 32

• 25

• 22

• 24

Which number is perfect square?

• 36

• 39

• 89

• none of these are perfect squares

Which number is a perfect square?

• 10

• 20

• 30

• none of these are perfect squares

The area of a square is 36 cm².  What is the length of one side of the square?

• 6 cm

• 24 cm

• 9 cm

• 18 cm

To find the square root of a number, you must divide it by 2.

• True
• False

The √20 is between which two consecutive integers?

• 2 & 3
• 3 & 4
• 4 & 5
• 5 & 6

x² = 121

If x is a positive number, what does x equal?

• 11²

• 60.5

• 11

• 119

Which number has a square root that is between 7 and 8?

• 48

• 81

• 60

• 36

The number 500...

• is a perfect square.
• is not a perfect square.

In square units, what is the area of a square with a side of 7?

• 14

• 28

• 49

• 64