Square Roots and Radicals

What do we call the number inside of the radical?

• index

• radicand

• square root

• radical

The number inside the radical is called...

• the index

• the radical sign

• the radicand

• none

In the picture, the "3" is called...

• the index

• the radical sign

• the radicand

• none

Which number is NOT a perfect square?

• 196

• 169

• 121

• 132

Solve for x: x² = 36

• x = 6

• x = 6 and -6

• x = 18 and -18

• x = -6

• 289

• 34

• 256

Determine which number is a perfect square.

• 8

• 14

• 16

• 18

√x

• x³√x

• 7x√x²

• x⁶√x

• √x

• x⁴y⁴√y
• 72xy
• xy√y
• x²y³√x²

Simplify

√45n³

• 3n√5n

• 4n√8

• 4n√-8

• 10√n