'Principal square root' diaporamas de présentation

PRECALCULUS I

PRECALCULUS I. Complex Numbers Real numbers + Imaginary numbers. Dr. Claude S. Moore Danville Community College. Definition of. The square root of a negative real number is not a real number. Thus, we introduce imaginary numbers by letting i =

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P.1 Algebraic Expressions and Real Numbers

P.1 Algebraic Expressions and Real Numbers. Objectives. Evaluate algebraic expressions Use mathematical models Find the intersection of 2 sets Find the union of 2 sets Recognize subsets of the real numbers Use Inequality symbols Evaluate absolute value

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5.5 Roots of Real Numbers and Radical Expressions

5.5 Roots of Real Numbers and Radical Expressions. Definition of n th Root. For any real numbers a and b and any positive integers n, if a n = b, then a is the n th root of b. ** For a square root the value of n is 2. radical. index. radicand. Notation.

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Warm UP

Warm UP. Get a slip of paper from the chair. Follow the directions and answer the questions. 6-1 The Pythagorean Theorem. Proof Video. Review Find each value to the nearest tenth. 1. 2. 3. 4. The Pythagorean Theorem. Essential Question

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Chapter 1

Chapter 1. Number Sense See page 8 for the vocabulary and key concepts of this chapter. Chapter 1: Get Ready!. These are the necessary concepts to be reviewed before beginning Chapter 1: Rational numbers Powers and exponents Zero and negative exponents Order of operations

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Warm Up 1-26-09 Simplify.

Warm Up 1-26-09 Simplify. 1. 5 2 2. 8 2. 64. 25. 225. 144. 3. 12 2 4. 15 2. 400. 5. 20 2. 4-5. Learn to find square roots. Course 3. Vocabulary. principal square root perfect square. 6 2 = 36 36 = 6.

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Warm Up 1-26-09 Simplify.

Warm Up 1-26-09 Simplify. 1. 5 2 2. 8 2. 64. 25. 225. 144. 3. 12 2 4. 15 2. 400. 5. 20 2. 4-5. Learn to find square roots. Course 3. Vocabulary. principal square root perfect square. 6 2 = 36 36 = 6.

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Sect. 7.1 Radical Expressions & Radical Functions

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Topic 1.3.2

Square Roots. Topic 1.3.2. Topic 1.3.2. Square Roots. California Standard: 2.0: Students understand and use such operations as taking the opposite, finding the reciprocal, taking a root, and raising to a fractional power. They understand and use the rules of exponents.

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Section 1-2

Section 1-2. Real Numbers. Number Line. used to show sets of real numbers Positive numbers are to the right of zero Negative numbers are to the left of zero. Classifying Numbers. Natural Number. Definition. Symbol. N. Counting Numbers. Whole Number. Definition. Symbol. W.

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Square Roots

3 is a square root of 9 , since. - 3 is also a square root of 9 , since. Square Roots. a is a square root of b if and only if. Example 1. Thus, 9 has two square roots, -3 and 3. Example 2. The number 0 has only one square root, which is 0 since.

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Applying Properties of Exponents

Applying Properties of Exponents. Multiplying. When exponents have the same base add the exponents and simplify. 5 x 5 7 x 7 8 x 8. Dividing. When the expressions are the same, subtract the exponents and simplify. 4 3 5 4 3 5. Power raised to another power.

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