The square root of 15 in mathematical form is written with the radical sign like this √15. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. The square root of a number is equal to the number of the square roots of each factor. The radicand no longer has any square factors. What is the Square Root of 15 in simplest radical form? The radicand is the number or expression underneath the radical sign, in this example 9. Every non-negative real number a has a unique non-negative square root, called the principal square root, which is denoted by √a, where √ is called the radical sign or radix. The square root of 15 is a quantity (q) that when multiplied by itself will equal 15. A square root of a number is a number that, when it is multiplied by itself (squared), gives the first number again. A number bigger than zero has two square roots: one is positive (bigger than zero) and the other is negative (smaller than zero). A whole number with a square root that is also a whole number is called a perfect square. For example, 2 is the square root of 4, because 2x2=4. For example, 4 and -4 are square roots of 16 because 4² = (-4)² = 16. For example, 4 and -4 are square roots of 16 because 4² = (-4)² = 16. The Square Root of: The Work ${}$ ${}$ You can calculate the square root of any number , just change 15 up above in the textbox. A radical is also in simplest form when the radicand is not a fraction. USING OUR SERVICES YOU AGREE TO OUR USE OF. The square root of fifteen √15 = 3.8729833462074. In mathematics, a square root of a number a is a number y such that y² = a, in other words, a number y whose square (the result of multiplying the number by itself, or y * y) is a. The square root radical is simplified or in its simplest form only when the radicand has no square factors left. √ 15 = q × q = q 2 All radicals are now simplified. The Work . Check out the work below for reducing 15 into simplest radical form . The square root of fifteen √15 = 3.8729833462074 How To Calculate Square Roots In mathematics, a square root of a number a is a number y such that y² = a, in other words, a number y whose square (the result of multiplying the number by itself, or y * y) is a. The only square root of zero is zero. The justification for taking out the square root of any number is this theorem to help simplify √a*b = √a * √b. For example, 4 has two square roots: 2 and -2. The term whose root is being considered is known as the radicand. For example, the principal square root of 9 is 3, denoted √9 = 3, because 32 = 3 ^ 3 = 9 and 3 is non-negative. We call this the square root of 15 in radical form. Only numbers bigger than or equal to zero have real square roots. 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