In C++, the mathematical function ____ calculates a number s square root.
A) square()
B) sqrt()
C) squareRoot()
D) sqroot()

Question

Quizplus · Accepted Answer

The sqrt() function is specifically designed to calculate the square root of a number in C++. The other choices are not valid mathematical functions in the standard C++ library. The correct function to calculate the square root in C++ is sqrt(). Option A) square() is not a built-in mathematical function in C++. Option C) squareRoot() and D) sqroot() are also not built-in functions and would result in a syntax error. Hence, B) is the best choice for this question.

In C++, the Mathematical Function ____ Calculates a Number S