Rational Numbers and Coordinate Graphing

Front

What is a rational number?

Back

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

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |-5| = 5.

Front

How do you express sea level as an integer?

Back

Sea level is expressed as 0.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction. For example, the opposite of 9 is -9.

Front

How do you order numbers from least to greatest?

Back

To order numbers from least to greatest, compare their values and arrange them starting from the smallest to the largest.

Front

What is an ordered pair in coordinate graphing?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written in the form (x, y).

Front

What does the x-coordinate represent in an ordered pair?

Back

The x-coordinate represents the horizontal position of a point on the coordinate plane.

Front

What does the y-coordinate represent in an ordered pair?

Back

The y-coordinate represents the vertical position of a point on the coordinate plane.

Front

How do you find the absolute value of -20?

Back

The absolute value of -20 is 20.

Front

What is the process to compare two rational numbers?

Back

To compare two rational numbers, convert them to a common denominator or convert them to decimal form.