Test -Integers and Rational Numbers

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

A rational number is any number that can be expressed as a fraction $$\frac{a}{b}$$ , where $$a$$ and $$b$$ are integers and $$b \neq 0$$ . Examples include $$\frac{1}{2}$$ , -3, and 0.

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |12| = 12 and |-12| = 12.

A withdrawal is represented as a negative integer. For example, a $35 withdrawal is represented as -35.

A temperature below zero is represented as a negative integer. For example, 10 degrees below zero is represented as -10.

A deposit is represented as a positive integer. For example, depositing $6 is represented as +6.

A loss is represented as a negative integer. For example, losing 6 points in a game is represented as -6.

A gain is represented as a positive integer. For example, gaining 5 points in a game is represented as +5.

Rational numbers can be graphed on a number line by locating their position based on their value. For example, -3.25 is located between -3 and -4.

Positive integers are greater than zero (e.g., 1, 2, 3), while negative integers are less than zero (e.g., -1, -2, -3). Zero is neither positive nor negative.