{
  "unit": 5,
  "title": "Radical Functions & Rational Exponents",
  "terms": [
    {
      "en": "rational exponent",
      "es": "exponente racional",
      "fr": "exposant rationnel",
      "ar": "أس نسبي",
      "pt": "expoente racional",
      "definition": "A fractional exponent linked to a root, such as x^(1/n)."
    },
    {
      "en": "nth root",
      "es": "raíz enésima",
      "fr": "racine n-ième",
      "ar": "الجذر النوني",
      "pt": "raiz enésima",
      "definition": "A value whose nth power equals the radicand."
    },
    {
      "en": "radical expression",
      "es": "expresión radical",
      "fr": "expression radicale",
      "ar": "تعبير جذري",
      "pt": "expressão radical",
      "definition": "An expression containing a root symbol."
    },
    {
      "en": "radical simplification",
      "es": "simplificación de radicales",
      "fr": "simplification des radicaux",
      "ar": "تبسيط الجذور",
      "pt": "simplificação de radicais",
      "definition": "Rewriting a radical in an equivalent simpler form while preserving its domain."
    },
    {
      "en": "radicand",
      "es": "radicando",
      "fr": "radicande",
      "ar": "العدد تحت الجذر",
      "pt": "radicando",
      "definition": "The expression appearing under a radical sign."
    },
    {
      "en": "like radicals",
      "es": "radicales semejantes",
      "fr": "radicaux semblables",
      "ar": "جذور متشابهة",
      "pt": "radicais semelhantes",
      "definition": "Radicals with equal indices and radicands after simplification."
    },
    {
      "en": "rationalizing the denominator",
      "es": "racionalización del denominador",
      "fr": "rationalisation du dénominateur",
      "ar": "إزالة الجذر من المقام",
      "pt": "racionalização do denominador",
      "definition": "Multiplying by an equivalent factor to remove a radical from the denominator."
    },
    {
      "en": "conjugate radical",
      "es": "conjugado radical",
      "fr": "conjugué radical",
      "ar": "المرافق الجذري",
      "pt": "conjugado radical",
      "definition": "A paired expression such as a+sqrt(b) and a-sqrt(b)."
    },
    {
      "en": "radical equation",
      "es": "ecuación radical",
      "fr": "équation avec radicaux",
      "ar": "معادلة جذرية",
      "pt": "equação radical",
      "definition": "An equation with a variable under a radical."
    },
    {
      "en": "solution verification",
      "es": "comprobación de solución",
      "fr": "vérification de solution",
      "ar": "التحقق من الحل",
      "pt": "verificação da solução",
      "definition": "Substituting candidates in the original equation to reject extraneous roots."
    },
    {
      "en": "square-root function",
      "es": "función raíz cuadrada",
      "fr": "fonction racine carrée",
      "ar": "دالة الجذر التربيعي",
      "pt": "função raiz quadrada",
      "definition": "A function modeled by f(x)=sqrt(x), with real domain x>=0."
    },
    {
      "en": "radical domain",
      "es": "dominio de un radical",
      "fr": "domaine d'un radical",
      "ar": "مجال التعبير الجذري",
      "pt": "domínio de radical",
      "definition": "For even real roots, the radicand must be nonnegative."
    },
    {
      "en": "geometric radical model",
      "es": "modelo geométrico con radicales",
      "fr": "modèle géométrique radical",
      "ar": "نموذج هندسي بالجذور",
      "pt": "modelo geométrico com radicais",
      "definition": "A length model that uses roots, as in the Pythagorean theorem."
    },
    {
      "en": "measurement uncertainty",
      "es": "incertidumbre de medición",
      "fr": "incertitude de mesure",
      "ar": "عدم يقين القياس",
      "pt": "incerteza de medição",
      "definition": "A quantified range expressing limits on how precisely a measure is known."
    }
  ],
  "schema_version": "1.1"
}