1 3 Real Numbers and the Number Line
1 -3 Real Numbers and the Number Line
The radical symbol indicates a nonnegative square root
Problem 1: Simplifying Square Root Expressions What is the simplified form of each expression
Problem 1: Simplifying Square Root Expressions What is the simplified form of each expression
Problem 1: Simplifying Square Root Expressions What is the simplified form of each expression
Problem 1: Simplifying Square Root Expressions What is the simplified form of each expression
Problem 2: Estimating a Square Root Lobster eyes are made of tiny square regions. Under a microscope, the surface of the eye looks like graph paper. A scientist measures the area of one of the squares to be 386 square microns. What is the approximate side of the square to the nearest micron?
Problem 2: Estimating a Square Root •
Problem 4: Comparing Real Numbers Inequality: a mathematical sentence that compares the values of two expressions using an inequality symbol. < LESS THAN > GREATER THAN LESS THAN OR EQUAL TO GREATER THAN OR EQUAL TO
Problem 5: Graphing and Ordering Real Numbers •
Problem 5: Graphing and Ordering Real Numbers •
Problem 3: Classifying Real Number
Natural numbers: also called counting numbers and are the ones you count with {1, 2, 3, …} Whole Numbers: include the natural numbers, but also includes zero {0, 1, 2, 3, …} Integers: The whole numbers, plus their respective negative numbers {…, -3, -2, -1, 0, 1, 2, 3, …}
Rational numbers and irrational numbers form the set of Real numbers
- Slides: 20