Finding the Square Root of a Number

Estimate the square root.

• 4

• 5

• 6

• 7

What is a square root

• A number to the second power

• A square that has roots on it

• Square roots are numbers that produce a specified quantity when multiplied by itself
  

The area of a square is 16 square feet. What is the length of a side of the square?

• 8 feet

• 16 feet

• 2 feet

• 4 feet

100 is a ____________

• Perfect Square

• Perfect Cube

• Both

• Neither

Find the value[s] of the expression.

• 5

• 4

• -5

• No real solutions

Find the value[s] of the expression.

• No real solutions

• 14

• 13

The checkmark symbol that tells us to square root something is called...

• the index

• the radical sign

• the radicand

• none

Evaluate.

• 20

• 200

• √200

• ±20

Evaluate.

• 5

• 7

• 25

• 49

Estimate the square root of 29.

• Between 4 and 5 and closer to 5

• Between 5 and 6 and closer to 5

• Between -4 and -5 and closer to -5

• Between -5 and -6 and closer to -6