Review 12-17-24

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

How do you find 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, the absolute value of -12.5 is 12.5.

Front

What are the four quadrants of a coordinate grid?

Back

The four quadrants are: Quadrant I (positive x and y), Quadrant II (negative x and positive y), Quadrant III (negative x and y), Quadrant IV (positive x and negative y).

Front

How do you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they simplify to the same fraction. For example, 2:1 and 18:9 are equivalent because both simplify to 2.

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions and have non-repeating, non-terminating decimal expansions.

Front

How do you order rational numbers from greatest to least?

Back

To order rational numbers, convert them to a common format (like decimals) and compare their values.

Front

Back

Front

What is the significance of the number zero in rational numbers?

Back

Front

How do you classify the number -23?

Back

The number -23 is classified as a rational number and an integer.