Ordering Real Numbers 8.2D

Front

What is the definition of real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

Front

How do you order real numbers from least to greatest?

Back

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

Front

What is the square root of a number?

Back

The square root of a number x is a value that, when multiplied by itself, gives x. For example, √36 = 6.

Front

What is the value of (-6)²?

Back

The value of (-6)² is 36.

Front

How do you compare fractions and percentages?

Back

Convert them to a common form (either both to fractions or both to decimals) to compare their values.

Front

What is the approximate value of √200?

Back

The approximate value of √200 is between 14 and 15.

Front

What does it mean for numbers to be in order from least to greatest?

Back

It means arranging numbers starting from the smallest value to the largest value.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

How do you find the area of a circle?

Back

The area of a circle is calculated using the formula A = πr², where r is the radius.