Pretest

Question 1

Which number is irrational?

Revolt · Accepted Answer

square root of 11

Question 2

Which statement is true about the sum of two rational numbers?

Revolt · Accepted Answer

It can always be written as a fraction.

Question 3

Which of the following will result in a rational answer?

Revolt · Accepted Answer

multiplying a fraction by a repeating decimal

Question 4

How do you know that the sum of open paren negative 2 and 3 fourths close paren and 5 ninths is rational?

Revolt · Accepted Answer

The sum is a fraction.

Question 5

Which of the following is irrational?

Revolt · Accepted Answer

square root of 3 plus 8 point 4 8 6

Question 6

The product of two rational numbers can always be written as

Revolt · Accepted Answer

a fraction.

Question 7

3 and 2 thirds plus 2 point repeating 3 is equal to

Revolt · Accepted Answer

6

Question 8

The sum of two rational numbers will always be

Revolt · Accepted Answer

a rational number.

Question 9

Which number is not a rational number?

Revolt · Accepted Answer

square root of 31

Question 10

4 point 5 plus pi is

Revolt · Accepted Answer

irrational because it is a non-terminating and non-repeating decimal.

Pretest Answers