1. FIND OUT THE SQUARE ROOT OF 8
Answers
Answer:
2 root 2
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Answer:
The square root of 8 in radical form is represented as √8 which is also equal to 2√2 and as a fraction, it is equal to 2.828 approximately. Squares root of a number is the number, which, on multiplying by itself gives the original number. Since 8 is not a perfect square, hence the value is represented in root form.
The value 2√2 is said to be surd, as it cannot be further simplified. As we all know, 8 = 2 × 2 × 2, thus we can see the number is a perfect cube of 2. So, we can determine the cube root of 8 which is equal to 2, such as 3√8 = 2. But for numbers which are perfect squares such as 4, 9, 16, 25, etc. the root for them can be determined easily, such as;
√4 = √(2 x 2) = 2
√9 = √(3 x 3) = 3
√16 = √(4 x 4) = 4
√25 = √(5 x 5) = 5
Square Root of 8
√8 = 2.82842712475
Or
√8 = 2.828 up to three places of decimal
Now that you know the value of root 8, let us calculate its value here. Although finding the square root of a number by using calculators is very easy, but students should know how to calculate it manually.
The square root is represented by the symbol, ‘√’. This symbol ‘√’ is called a radical symbol or radix. The number underneath the radical symbol or radix is called as radicand.