1. The square root of 2 is a real number that cannot be expressed as a simple fraction.
2. Real numbers include integers, fractions, and irrational numbers like pi and the square root of 3.
3. When graphing on the number line, each point corresponds to a unique real number.
4. Real numbers can be positive, negative, or zero.
5. The sum of two real numbers is always another real number.
6. Real numbers are used in everyday life to represent quantities such as time, distance, and temperature.
7. When solving equations, we often need to find the real number solutions.
8. It is important in mathematics to understand the properties and operations of real numbers.
9. The set of real numbers is denoted by the symbol R.
10. Calculus deals with functions that operate on real numbers to analyze rates of change and areas under curves.