U NIT 1 P RE A LGEBRA, R ELATIONSHIPS B ETWEEN Q UANTITIES Lesson 1: Real Numbers (1-3)

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Presentation transcript:

U NIT 1 P RE A LGEBRA, R ELATIONSHIPS B ETWEEN Q UANTITIES Lesson 1: Real Numbers (1-3)

V OCABULARY : Positive Numbers: Values greater than zero Negative Numbers: Values less than zero Natural numbers: 1, 2, 3… Whole Numbers: 0, 1, 2, 3…

Integers: …-3, -2, -1, 0, 1, 2, 3… Rational Numbers: numbers that can be written in the form where a and b are integers and b≠ 0 Irrational Numbers: numbers that cannot be expressed as terminating or repeating decimals Real Numbers: Irrational numbers and real numbers together (all numbers)

E XAMPLES : N AME THE SET OF NUMBERS TO WHICH EACH REAL NUMBER BELONGS

Inequality: mathematical sentence that compares the values of two expressions using an inequality symbol. ≤, less than or equal to <, less than ≥, greater than or equal to >, greater than

E XAMPLE : O RDER REAL NUMBERS FROM LEAST TO GREATEST ( OR VICE VERSA ) 1. 2.

3.

Square Root: one of two equal factors of a number means the square root of 16 is the radical sign, used to indicate the square root of a number

S IMPLIFY THE SQUARE ROOTS :

HOMEWORK pg #9-49 odd, 51-68, 72-74