4.4 Multiply 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

What is the product of two negative rational numbers?

Back

The product of two negative rational numbers is positive.

Front

What is the product of a positive rational number and a negative rational number?

Back

The product of a positive rational number and a negative rational number is negative.

Front

How do you multiply two fractions?

Back

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Back

Front

Back

Front

What is the result of multiplying two negative integers, such as (-5) and (-9)?

Back

The result is positive.

Front

What is the result of multiplying a negative decimal by a negative decimal, such as -12.5 and -2.4?

Back

The result is positive 30.

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Back

Front

What is the rule for multiplying rational numbers with different signs?

Back

If the signs are different, the product is negative.