Multiplying and Dividing Rationals

Front

What is the product of 10 and -9?

Back

-90

Front

What is the product of -18 and -4?

Back

72

Front

What is the product of -21 and 13?

Back

-273

Front

Define 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 rule for multiplying two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the rule for multiplying a positive number by a negative number?

Back

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

Front

What is the result of multiplying a number by zero?

Back

The product of any number and zero is zero.

Front

How do you divide a negative number by a positive number?

Back

The result is negative.

Front

How do you divide a positive number by a negative number?

Back

The result is negative.

Front

What is the result of dividing two negative numbers?

Back

The result is positive.