Pythagoras and Square Roots

Identify the letter that best estimates the following square root on the following number line.

√156

• d

• b

• c

• e

What is the hypotenuse if two sides are 6 and 8?

• 10

• 12

• 13

• not enough information

The area of a square is 117 square meters. Which best represents the length of a side of the square? 

• 10.8 m

• 11 m

• 10 m

• 11.2 m

• A
• B
• C
• D

Simplify:
 √40

• 4√10

• 10√4

• 2√10

• 10√2

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
  

Mr. Cleaves wrote four irrational numbers on the SMART board and asked Saul to choose the number closest to 4. Which irrational number should Saul choose?

• √8

• √17

• √12

• √10

Do the segment lengths 9, 12, and 15 form a right triangle?

• Yes

• No

• Maybe

• Pythagoras

Which is a Pythagorean Triple?

• 4,4,8

• 6,8,10

• 1,2,3

• 10,15,25

Which statement is NOT true?

• √169 = 13

• 15² = 225

• 4² = √16

• √164 = 18