Rational and Irrational Properties

Which statement is true about the sum of two rational numbers? A. It can always be written as a fraction. B. It can never be written as a fraction. C. It can always be written as a repeating decimal. D. It can never be written a terminating decimal

A. It can always be written as a fraction.

Why is the product of a rational number and an irrational number irrational? A. because the product is always a non-terminating, non-repeating decimal B. because the product is always a fraction C. because the product is always a negative number D. because the product is always a repeating or a terminating decimal

A. because the product is always a non-terminating, non-repeating decimal

Which of the following is rational? Which of the following is rational? A. 3 * π B. 2/3 + 9.26 C. √45 + √36 D. 14.3 + 5.78765239....

B. 2/3 + 9.26

The sum of two rational numbers will always be A. an irrational number. B. an integer. C. a rational number. D. a whole number.

C. A rational number

Which number is irrational? A. -4 B. 2/9 C. √11 D. 8.26(REPEATING)

C. √11

The formula for the circumference of a circle is C= πd, where d is the length of the diameter. If d is a rational number, what can you conclude about the circumference? A. It is a fraction. B. It is a repeating or terminating decimal. C. It is a rational number. D. It is an irrational number

D. It is an irrational number.

Which statement is true about the sum of two rational numbers? A. It can always be written as a fraction. B. It can never be written as a fraction. C. It can always be written as a repeating decimal. D. It can never be written a terminating decimal. A. It can always be written as a fraction. The product of two rational numbers can always be written as A. an irrational number. B. a whole number. C. an integer. D. a fraction

D. a fraction.

The sum or product of a non-zero rational number and an irrational number is always A. rational. B. irrational. C. a repeating decimal. D. a fraction.

irrational