which expression is equivalent to square root 80 brainly?
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Answer Expert Verified So, √-1 is the same thing as. So, the expression equivalent to √-80 is 4i√5.
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Example Square Roots: The 2nd root of 81, or 81 radical 2, or the square root of 81 is written as 2√81=√81=±9. The 2nd root of 25, or 25 radical 2, or the square root of 25 is written as 2√25=√25=±5.
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In math, the 2-squareroot is the 'regular' square root. By holding your iPhone in landscape mode. Ok I know that much but it has 1.
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Example Square Roots: The 2nd root of 25, or 25 radical 2, or the square root of 25 is written as 2√25=√25=±5. The 2nd root of 100, or 100 radical 2, or the square root of 100 is written as 2√100=√100=±10.
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The square root of 75 is approximately 8.66025 or 5√3 in radical form. The factors of 75 can help in finding its square root.
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['Put the equation in form ax 2 + bx = c. ... ', 'If a ≠ 1, divide the entire equation by a.', 'Add the constant value to both sides of the equation.', 'Write the left side of the equation as a perfect square.', 'Take the square roots of both sides of the equation, remembering to add the “±” symbol on the right side.']
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The square root of 75 is approximately 8.66025 or 5√3 in radical form.
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Example Square Roots: The 2nd root of 100, or 100 radical 2, or the square root of 100 is written as 2√100=√100=±10.
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We have: Therefore, simplified is . This is good way of simplifying and non perfect square roots. Square root of 80 = square root of 5 x 4.
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This result is equivalent to the square root we are trying to simplify! In this example, √72=2⋅3√2.
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Unit Imaginary Number The square root of minus one √(−1) is the "unit" Imaginary Number, the equivalent of 1 for Real Numbers. In mathematics the symbol for √(−1) is i for imaginary.
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Explanation: 81=9⋅9 then the square root of √81=9 .
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SOLUTION: what is the square root of 20. , can be "simplified", or approximated. It's an irrational number, meaning that there is no fraction or decimal number exactly equal to it.
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First, guess a convenient value for the square root. Divide the number by your guess. Now you have two numbers that multiply to get your original number. Take the average of these two numbers.
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Fractional exponents Taking a number to the power of 12 undoes taking a number to the power of 2 (or squaring it). In other words, taking a number to the power of 12 is the same thing as taking a square root: x1/2=√x.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 52 is about 7.211.
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To take the square root of a number, press [2ND] (the secondary function key) and then [ √ ] (the radical symbol key which is used to take the square root of a number) and then the number that you want to find the square root of and then the [ENTER] key. This will give you the answer of: 1.414213562 if done correctly.