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HW p39 #1-29 Questions…. Take out the activity we did yesterday. Day 1 1.5 Roots and Real Numbers. Ex. 1. Simplify (-3) 5 -2 4 ( ) 2. Positive square root of 16. = 4. 4 4 = 4 2 = 16. = –4. –. (–4)( – 4) = (–4) 2 = 16. Negative square root of 16. Square roots:.
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Ex. 1 Simplify • (-3) 5 • -24 • ()2
Positive square root of 16 =4 4 4 = 42= 16 = –4 – (–4)(–4) = (–4)2= 16 Negative square root of 16 Square roots: Cubed roots:
Ex. 2 • Find each root: b. - c.
Real Number System(R)- Natural numbers(N): counting numbers: 1, 2, 3, … Whole numbers(W)the natural numbers and zero: 0, 1, 2, 3, … Integers( Z )the whole numbers and their opposites: –3, –2, –1, 0, 1, 2, 3, …
Rational numbers(Q): numbers that can be expressed as a fraction or decimal that terminate or repeat. ex: Irrational numbers (Icky Numbers): all numbers that are not rational. A decimal that neither terminates nor repeats. ex:
Write all classifications that apply to each real number. c. 7 a. –32 b. d.