![]() ![]() ![]() This is very useful for long division test problems and was how mathematicians would calculate the square root of a number before calculators and computers were invented. √25 = 25 ½ How to Find the Square Root of 25 Using Long Divisionįinally, we can use the long division method to calculate the square root of 25. Let's see how to do that with the square root of 25: SQRT(25) = 5 What is the Square Root of 25 Written with an Exponent?Īll square root calculations can be converted to a number (called the base) with a fractional exponent. On a computer you can also calculate the square root of 25 using Excel, Numbers, or Google Sheets and the SQRT function, like so: √25 = 5 How to Calculate the Square Root of 25 with a Computer On most calculators you can do this by typing in 25 and then pressing the √x key. If you have a calculator then the simplest way to calculate the square root of 25 is to use that calculator. How to Calculate The Square Root of 25 with a Calculator Since 25 is a perfect square it can be simplified because the result will always be equal to a whole number. In other words, the denominator of the rational function is a product of expressions of the form (ax + b)n, where a and b are constants, and n is a positive integer greater than 1. We already know if 25 is a perfect square so we also can see that √25 is a rational number. What is a Repeated linear partial fraction A repeated linear partial fraction is a partial fraction in which the denominator has repeated linear factors. ![]() If it's not a perfect square then it's an irrational number. Rational numbers can be written as a fraction and irrational numbers cannot.Ī quick way to check this is to see if 25 is a perfect square. Is The Square Root of 25 Rational or Irrational?Ī common question is to ask whether the square root of 25 is rational or irrational. To find out more about perfect squares, you can read about them and look at a list of 1000 of them in our What is a Perfect Square? article. In this case, as we will see in the calculations below, we can see that 25 is a perfect square. In math, we refer to 25 being a perfect square if the square root of 25 is a whole number. √25 = q × q = q 2 Is 25 a Perfect Square? So what is the square root? In this case, the square root of 25 is the quantity (which we will call q) that when multiplied by itself, will equal 25. ![]()
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