Operations with Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

True or False: All fractions are rational numbers.

Back

True

Front

What happens when you multiply two negative numbers?

Back

Multiplying two negative numbers results in a positive number.

Front

What is the result of adding two negative numbers?

Back

Adding two negative numbers results in a negative number.

Front

What is the result of adding a positive number and a negative number?

Back

The result can be positive, negative, or zero, depending on the values of the numbers.

Front

What is the result of dividing a positive number by a negative number?

Back

Dividing a positive number by a negative number results in a negative number.

Front

True or False: All rational numbers are integers.

Back

False

Front

What is the temperature of sodium gas cooled to -78.5°C and then cooled 194.65°C more?

Back

-273.15°C

Front

What is the result of the operation -2/9 + 2/9?

Back

0

Front

What is the result of -5/9 - 2/9?

Back

-7/9