SóProvas


ID
368131
Banca
FCC
Órgão
TCE-SP
Ano
2010
Provas
Disciplina
Programação
Assuntos

A raiz quadrada de um número é retornada pela função JavaScript denominada:

Alternativas
Comentários
  • Retorna a raiz quadrada do argumento dado (x no exemplo).

    Exemplo:

    y = Math.sqrt(x);
  • Métodos do Objeto Math

    Method Description
    abs(x) Retorna o valor absoluto de x
    acos(x) Returns the arccosine of x, in radians
    asin(x) Returns the arcsine of x, in radians
    atan(x) Returns the arctangent of x as a numeric value between -PI/2 and PI/2 radians
    atan2(y,x) Returns the arctangent of the quotient of its arguments
    ceil(x) Returns x, rounded upwards to the nearest integer
    cos(x) Returns the cosine of x (x is in radians)
    exp(x) Returns the value of Ex
    floor(x) Returns x, rounded downwards to the nearest integer
    log(x) Returns the natural logarithm (base E) of x
    max(x,y,z,...,n) Returns the number with the highest value
    min(x,y,z,...,n) Returns the number with the lowest value
    pow(x,y) Returns the value of x to the power of y
    random() Returns a random number between 0 and 1
    round(x) Rounds x to the nearest integer
    sin(x) Returns the sine of x (x is in radians)
    sqrt(x) Returns the square root of x
    tan(x) Returns the tangent of an angle

    fonte:http://www.w3schools.com
  • d-

    Return the square root of a number:

    Math.sqrt(9);

     

    https://www.w3schools.com/jsref/jsref_sqrt.asp