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  • 1.3: Radicals and Rational Expressions
    https://math.libretexts.org/Courses/Hope_College/Math_125%3A_Hope_College/01%3A_Algebra_Essentials/1.03%3A_Radicals_and_Rational_Expressions
    The principal square root of a is written as √a. The symbol is called a radical, the term under the symbol is called the radicand, and the entire expression is called a radical expression.
  • 1.3: Radicals and Rational Expressions
    https://math.libretexts.org/Courses/Prince_Georges_Community_College/MAT_1350%3A_Precalculus_Part_I/01%3A_Prerequisites/1.03%3A_Radicals_and_Rational_Expressions
    Just as we can rewrite the square root of a product as a product of square roots, so too can we rewrite the square root of a quotient as a quotient of square roots, using the quotient rule for simplif...Just as we can rewrite the square root of a product as a product of square roots, so too can we rewrite the square root of a quotient as a quotient of square roots, using the quotient rule for simplifying square roots. For a denominator containing the sum or difference of a rational and an irrational term, multiply the numerator and denominator by the conjugate of the denominator, which is found by changing the sign of the radical portion of the denominator.
  • 1.4: Radicals and Rational Expressions
    https://math.libretexts.org/Courses/Las_Positas_College/Book%3A_College_Algebra/01%3A_Prerequisites/1.04%3A_Radicals_and_Rational_Expressions
    The principal square root of a is written as √a. The symbol is called a radical, the term under the symbol is called the radicand, and the entire expression is called a radical expression.
  • 1.4: Radicals and Rational Expressions
    https://math.libretexts.org/Workbench/Algebra_and_Trigonometry_2e_(OpenStax)/01%3A_Prerequisites/1.04%3A_Radicals_and_Rational_Expressions
    The principal square root of a is written as √a. The symbol is called a radical, the term under the symbol is called the radicand, and the entire expression is called a radical expression.

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