Real Number System/Pythagorean Th. Review

Which number is an irrational number?

• √9
• √49
• √100
• √120

Which represents a rational number?

• √110
• √324
• √65
• √80

Which statement is NOT true?

• Every rational number is a real number.
• Every counting number is a whole number.
• Every integer is a rational number.
• Every decimal number is an irrational number.

Which statement is NOT true?

• 0.121212… is a rational number.
• 0.34353637 is an irrational number.
• 8.14 is a rational number.
• 5.12345… is an irrational number.

Which of the following is NOT a subset of the rational numbers?

• Integers
• Whole Numbers
• Perfect square integers
• Irrational numbers

Look at the number line.
Point D best represents which irrational number?

• √48
• √61
• √57
• √71

Look at the number line.
Which point on the number line best represents √12 ?

• D
• E
• F
• G

Point B could represent which of the following numbers?

• √24
• √30
• √35
• √42

Which of the following decimals is located between √50 and √60 on a number line?

• 6.25
• 7.3
• 8.9
• 9.4

What is the formula used to solve for the hypotenuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c