Intro to Square Roots

What is the square root of 81?

• 9

• 10

• 8

• 7

What is one common method for estimating the square root of a number that is not a perfect square?

• Finding the two perfect squares between which the number lies and then interpolating between their square roots

• Dividing the number by itself

• Multiplying the number by itself

• Adding the number to itself

What is the value that, when multiplied by itself, yields a given number called?

• Radicand

• Square root

• Exponent

• Perfect square

What is the square root of 121?

• 12

• 9

• 11

• 10

• x = 12
• x = 24
• x = 144
• x = 121

This symbol means ...

• to square a number

• to find the square root of a number

• find the distance X is from zero on the number line

• to divide and conquer

What is the square root of 49?

• 6

• 7

• 8

• 9

• x = 49
• x = 53
• x = 45
• x = 18

Solve the square root equation:

• A

• B

• C

• D

• x = 5
• x = -6
• x = 14
• x = -1