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+-0.4 >"note that "0.16=16/100 rArrsqrt(0.16)=sqrt(16/100) rArrsqrt(16/100)=+-4/10=+-2/5larrcolor(blue)"note plus or minus" rArrsqrt(0.16)=+-2/5=+-0.4 Guest Aug 28, 2015. This video is unavailable. is imaginary i.e. take the square root of the top and bottom of the fraction. you wrote square root, so the answer is +/-4 2. The question as written is ambiguous. The content written by our service is totally original and free from all kinds of plagiarism. 4 2? 2015-10-22. Best Answer. The former results in an integer value, while the latter results in a decimal value. 924 . In the mathematical expression √16, the radicand is 16. Root of √16=4 which results into 4√10; All radicals are now simplified. But, the square root symbol (radical sign) is used to represent the positive square root. Repty. Thus, we get 4i. The principal Complex square root sqrt(-16) = 4i -4i is also a square root of -16 If a in RR then a^2 >= 0. The number 16 is also a perfect square, which means that its square root is a whole number. Melody Aug 28, 2015. 3 2. In mathematics, the fourth root of a number is a number r that yields z when raised to power 4, where 4 is the degree of the root. 1# Ulysses. For example, 4 is the square root of 16 because 4 2 = 4•4 = 16, -4 is square root of 16 because (-4) 2 = (-4)•(-4) = 16. Answer to: What is the square root of 16? Or, √ 16 = 4 See, below on this web page, details on how to calculate this square root using the Babylonian Method Also: (-4i)^2 = (-4)^2*i^2 = 16 * -1 = -16 So -4i is a square root of -16. Any expression that contains a radical is referred to as a radical expression. Before you only learn about principal roots (the positive ones) but later on when negatives are introduced you learn that a negative times a negative is a positive. (16)] = V(-1) . what is the square root of 9/16. YThe square root of 16 is 4, and the square root of -1 is known as i, which stands for imaginary number. TutorsOnSpot.com. But if the symbolic way was like radical sign(16) ==> then only POSITIVE FOUR. It is 3/4 = 0.75. The square root of 16 is a whole number 4 and hence it is a perfect square. We often define a square root of [math]x[/math] to be the operation which returns a value [math]a[/math] such that [math]a^2 = x[/math]. Square roots are classified into two types: perfect and imperfect. 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. I'm not quite familiar with the use of mathematical notations in Quora so answering this with images. 0 0 0 0. fiat_knox. The square root of 16 is 4. 1 decade ago. 0 users composing answers.. Best Answer #2 +111512 +5 . It is 3/4 = 0.75. 5 years ago. Consider a square of area 16 cm, the side of the square is the square root of the area. There are no real number square roots of negative numbers only imaginary numbers. So considering the square root of -16, note that, V(-16) = V[(-1). 4 "squared" equals 16. What is square root? Anything that is multiplied by itself is said to be "squared". If i is the imaginary unit, then i^2 = -1 and we find that: (4i)^2 = 4^2*i^2 = 16 * -1 = -16 So 4i is a square root of -16. If it said in words square root --> then by definition we would get +4 and -4. So, really it depends on the presentation of the problem. 1 decade ago. What is the square root of 16 See answer asia136 is waiting for your help. So there is no Real square root of -16. 4 = 4i or -4i (both plus and minus just like square roots of real numbers. If you "square" (verb) 4, you get 16. Guarantees. but since the square root of a negative isn't a real number, u have to add the i. so basically the sq root of -9/16 is an unreal number. This is the formula I usually tend to use to obtain Square roots- Clearly in z=16+30i, a=16 and b=30. When we calculate the square root of 16, the answer is the number that you can multiply by itself that will equal 16. This question is actually more complicated than it would seem on the surface. (i) IOTA Therefore 4*√-1 = 4*i = 4i Hence square root of negative 16 [-16] is 4i First we will find all factors under the square root: 160 has the square factor of 16. Question: What is the square root of 16. No it isn't Haley. By definition this means -4 is also the square root of 16 . Watch Queue Queue. Melody Aug 28, 2015. Square root of (4 * 16) OR 2. Enoch R00t. The square root of 16 added by the square root of 25 is 9 Let's check this with √16*10=√160. Rose. So it will give ans as '+4′. Roots are usually written in mathematics using the radical symbol. The square root of 16.56 is 4.0693979898752. The word "imaginary" here doesn't mean "doe not exist". Lv 4. Step-by-step explanation: New questions in Mathematics. 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. what is the square root of 9/16 0 . The square root of 17 is a quantity (q) that when multiplied by itself will equal 17. Square root of 16 = 4. Ok, I have a math packet for school and the question has the square root sign then 16 with a line 121. Now extract and take out the square root √16 * √10. Definition of square root. For example, 4 and -4 are square roots of 16 because 4² = (-4)² = 16. A square root of a number 'x' is a number y such that y 2 = x, in other words, a number y whose square is y. 0 0. When writing math, people often use sqrt(x) to mean the square root of x. 1. √ 17 = q × q = q 2 This video is unavailable. The fourth root of 16 is 2. By signing up, you'll get thousands of step-by-step solutions to your homework questions. 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