Unit 1 and 2 Exam Review

5²

3- Which number is perfect square?

• a) 36

• b) 39

• c) 89

• d) 11

√256

• 14
• 16
• 13
• 17

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

• 6 cm
• 24 cm
• 9 cm
• 9 cm

The area of a square picture frame is 100 cm².  What is the perimeter of the frame?

• 25 cm
• 10 cm
• 40 cm
• 50 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
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1