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if x is equal to the square root of 81 then x is ±9 (plus or minus 9)
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∙ 14y ago
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What is the squared root of 81?
The square root of 81 is 9. 9 x 9 = 81.
What is the positive sqare root of a number?
Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.
Can 18 be a square root of 81?
Gee, I don't know. Let's check it out. If it is, then 18 x 18 = 81 . 18 x 18 = 324 Nope. 18 x 18 is not 81, so 18 is not a square root of 81.
What is the sqare route of 81?
The square root of 81 is 9 as in 9 x 9 = 81
Square root of a square is equal to?
that makes no sense if you mean square root to the power 2 its equal: the number in the root (let it =x) in absolute value then its equal=: x or -x im not sure
Square root of 1296?
Square root of (1296) =Square root of (16 x 81)=SQ. root of (16) x Sq. root of (81) =4 x 9 =36
What is the length of the sides of a square with and area of 324 centimeters squared?
Square root of 324 = square root of (81 x 4) = square root of 81 x square root of 4 and that is 9 x 2 = 18 cm
What is the squared root of 81?
The square root of 81 is 9. 9 x 9 = 81.
What is the square root of 40.5?
81 is the square root of 405. (81 x 5 = 405.)
Square root x plus 3 equals 12?
X = 81 sqrt(X) + 3 = 12 ( subtract 3 from each side ) sqrt(X) = 9 (square both sides ) X = 81 ( the square root of 81 is 9 )
What is the positive sqare root of a number?
Square roots can be positive or negative. 9 x 9 = 81 -9 x -9 = 81 9 is the positive square root of 81.
What is the square root of 81?
The square root of 81 is: ±9 (9 or -9)A square root is a number which, when multiplied by itself, equals the original number. As 9 x 9 = 81 and -9 x -9 = 81, the answer is plus or minus nine.
Can 18 be a square root of 81?
Gee, I don't know. Let's check it out. If it is, then 18 x 18 = 81 . 18 x 18 = 324 Nope. 18 x 18 is not 81, so 18 is not a square root of 81.
What is the easiest way to find the square root?
the eisest way to find square root of something , is to see what number x itself = that number .... so EXAMPLE:what is the square root of 81? this is how you will find it.....so what number x itself gives me 81? it's 9 because 9x9=81 so the square root of 81 is 9
How do you solve x squared equals negative 81?
x2=-81take the square root of both sidessince 81 is negative you need to take 81 times i when i=-1 then solve as the square root of 81. your answer is x=9i
What is the sqare route of 81?
The square root of 81 is 9 as in 9 x 9 = 81
Square root of a square is equal to?
that makes no sense if you mean square root to the power 2 its equal: the number in the root (let it =x) in absolute value then its equal=: x or -x im not sure
