Square Root Of 945 In Simplest Radical Form

Simplify the square root of 945 to its lowest radical form.

ANSWER: 3√105

3√105 is in the lowest radical form.

Simplified Radical Form of √945

One of the main facts used to simplify square roots is that the square root of a product is equal to the product of square roots: √(x×y) = √x×√y

Explanation:

When we find square root of any number, we take one number from each pair of the same numbers from its prime factorization and we multiply them.

Step 1: List Factors

To simplify √945, we need to divide into factors.

√945 = √3 x √3 x √3 x √5 x √7

Step 2: List Perfect Squares

1 is a perfect square and divides 945
9 is a perfect square and divides 945

Step 3: Divide To Perfect Square

Divide 945 by the largest perfect square you found in the previous step:

Step 4: Calculate The Square Root

Calculate the square root of the largest perfect square:

Final Step :

Put Steps 3 and 4 together to get the square root of 945 in its simplest form: 3√105

How do you simplify √945

The general approach is to first check if it is a perfect square. If so, you have the answer. If it is not a perfect square, see if any of its factors are perfect squares, or can be combined to make square numbers.

Find the lowest prime number that can divide 945. Divide 945 repeatedly using the long division method till you reach 1.

A pair of factor 'twins' under a square root sign (radical) form a single factor outside of it.

Factors that do not have a twin remain under the radical. Multiply them back together and leave them in there.

So, the answer is 3√105.

Simplified Decimal Form of √945

The square root of 945 is approximately 30.741 when expressed in decimal form.

Calculation Table:

Square Root Answer Calculation
√48 4√3 √2 x √2 x √2 x √2 x √3
√19 Square root of 19 is the simplest radical form. √19
√6 Square root of 6 is the simplest radical form. √2 x √3
√930 Square root of 930 is the simplest radical form. √2 x √3 x √5 x √31
√160 4√10 √2 x √2 x √2 x √2 x √2 x √5
√894 Square root of 894 is the simplest radical form. √2 x √3 x √149
√1518 Square root of 1518 is the simplest radical form. √2 x √3 x √11 x √23
√9673 Square root of 9673 is the simplest radical form. √17 x √569
√5862 Square root of 5862 is the simplest radical form. √2 x √3 x √977

Convert any root forms to simplest radical form.

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