College Algebra, 4th Edition

R

• Radical(s), 61

  • with different indices, 66–67

  • equations involving, 133–136

  • like, 65–66

  • rules for, 65

• Radical expressions

  • adding and subtracting, 65–66

  • conjugates, 67–68

  • defined, 64

  • rationalizing, 67

• Radical sign $()$, 61, 64

• Radicand, 61, 64

• Radioactive decay, 469–470

• Radiocarbon dating, 470–471

• Radius of a circle, 191

• Range of a function, 221, 223

  • of an exponential function, 426

  • of a one-to-one function, 300–301

  • of a quadratic function, 323

• Range of a relation, 217

• Rate of change, average, 241–244

• Rate of work, 97

• Rational approximations of irrational numbers, 4

• Rational equations, 132–133

  • with extraneous solutions, 132

• Rational exponents, 68–71

  • equations with, 136–137

• Rational expressions, 50–60

  • adding and subtracting, 53–56

  • complex ...