Rational Number Operations

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 result of dividing a positive rational number by a negative rational number?

Back

The result is a negative rational number.

Front

What is the result of multiplying two negative rational numbers?

Back

The result is a positive rational number.

Front

What is the quotient of 3/4 ÷ 3/8?

Back

2

Front

What is the simplified value of 12.4 x (-6.3)?

Back

-78.12

Front

How do you find the change in temperature from -8 degrees to 27 degrees?

Back

Subtract the initial temperature from the final temperature: 27 - (-8) = 35 degrees.

Front

If a stock drops $372.33 over 7 days, what is the daily loss?

Back

-$53.19

Front

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

Back

The sum depends on the absolute values of the numbers; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Front

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

Back

The product is a negative number.

Front

What is the absolute value of a rational number?

Back

The absolute value is the distance of the number from zero on the number line, regardless of direction.