Classifying & Rational vs. Irrational Quiz

√121

• 12

• 10

• 11

• 3

Which of the following numbers is rational?

• √8

• √16

• √50

• √75

-13

• Rational

• Irrational

Which of the following contains only rational numbers?

• 2.5, .764567..., 1/2, √27

• π, √4, √16, 7.7

• 6.7, 4.45, -3, 

• 5, -4.5, √13, √-9

What is the definition of an integer

• All positive and negative whole numbers

• Decimals or fractions that terminate for repeat

• All positive whole numbers

• 0

-14 could be classified as all of these EXCEPT?

• Integer

• Real

• Rational

• Whole

-14 could NOT be which type of number?

• Integer

• Real

• Rational

• Natural

Determine whether  $\pi$  is rational or irrational.

• Rational

• Irrational

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.

• Irrational; The sum of a rational and an irrational is always irrational.

• Rational; The product of two rationals is always rational.

• Irrational; The product of a nonzero rational and an irrational is always irrational.