CHAPTER_ppt_10_1 - Chapter 10 Rational Exponents, Radicals,...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 10 Rational Exponents, Radicals, and Complex Numbers 10.1 Radicals and Radical Functions Martin-Gay, Beginning and Intermediate Algebra, 4ed 3 Square Roots The inverse of squaring a number is taking the square root of a number. A number b is a square root of a number a if b 2 = a. In order to find a square root of a , you need a number that, when squared, equals a. Martin-Gay, Beginning and Intermediate Algebra, 4ed 4 Principal and Negative Square Roots If a is a nonnegative number, then is the principal or nonnegative square root of a a is the negative square root of a . a-Principal Square Roots Martin-Gay, Beginning and Intermediate Algebra, 4ed 5 A radical expression is an expression containing a radical sign . A radicand is the expression under a radical sign. Note that if the radicand of a square root is a negative number, the radical is NOT a real number. Radicands Martin-Gay, Beginning and Intermediate Algebra, 4ed 6 = 49 7 = 16 25 4 5 =-4 2-Radicands Example: Martin-Gay, Beginning and Intermediate Algebra, 4ed 7 Square roots of perfect square radicands simplify to rational numbers (numbers that can be written as a quotient of integers). can be written as a quotient of integers)....
View Full Document

Page1 / 21

CHAPTER_ppt_10_1 - Chapter 10 Rational Exponents, Radicals,...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online