2.1 Square root

The √21 is between which two integers?

• 5 and 6

• 20 and 22

• 4 and 5

• 10 and 11

The √20 is between which two integers?

• 2 & 3
• 3 & 4
• 4 & 5
• 5 & 6

The √40 is between which two integers?

• 7 & 8
• 6 & 7
• 5 & 6
• 4 & 5

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

• 48
• 81
• 60
• 36

Round to the Nearest Tenth: √28

• 5.6
• 5.9
• 5.3
• 8

Estimate the square root.

• 7
• 8
• 9
• 10

Estimate the square root.

• 4
• 5
• 6
• 7

±√9

• ±3

• ±9

• 3

• No real answer

√-4

• 2

• 4

• -2

• No Real Answer

±√15

• ±5

• ±3.4

• ±3.9

• ±4