Multiplication Divide Square Root

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

A perfect square is a number whose square root is ___________.

• even

• a never-ending

  (non-terminating) decimal

• rational

• odd

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

• 48

• 81

• 60

• 36

17² =

• 34

• 289

• 225

• 324

• A
• B
• C
• D

• A
• B
• C
• D

√5 × √10

• 50

• 2√5

• 5√2

• 5√10

MULTIPLY. Make sure your answer is fully simplified

√6 ⋅√6

• √36

• 2√3

• 12

• 6

Evaluate.

• 20

• 200

• √200

• ±20

All the following are perfect squares except for which one?

• 81

• 121

• 361

• 198