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Why does your calculator give negative 4 when you square negative 2?
Wiki User
∙ 12y ago
You must be pressing the wrong button!
Are you certain that you have pressed the square button and not just multiplied by 2?
Try typing in -2 * -2 and see what result you get.
Wiki User
∙ 12y ago
Add your answer:
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When you take the square root of 4 and then subtract 2 from it the answer is a negative number why?
2
Why does your calculator say negative 3 square equals negative 9?
Because it thinks that the negative sign is actually another operation to do and because of the order of operations, the calculator squares it first then makes it negative. To fix it, type it in like this (-3)2
What is negative 14- positive 2 equals?
12
What are the positive and negative square roots of 4?
The square roots of 4 are -2 and 2.
What is -18 times the square root of -16?
-2
When you take the square root of 4 and then subtract 2 from it the answer is a negative number why?
2
Why does your calculator say negative 3 square equals negative 9?
Because it thinks that the negative sign is actually another operation to do and because of the order of operations, the calculator squares it first then makes it negative. To fix it, type it in like this (-3)2
What is square root of negative 2?
You would get (i square root 2) because you can not square root a negative number, the answer is imaginary. Tmdkiller: Square root is NOT applicable to any Negative numbers eg -1 ,-2,-3 etc You would get an "Error 2" on a scientific Calculator anyway. =) editted by razakhan squre root of -2 is 2i (where "i" is "iota" represents imaginary or complex number......
How do you find square root on calculator with out using the square root sign?
Assuming the calculator can do exponents, take the number and raise it to the power of 1/2.
How do you find the square root of an irrational numbers?
You can find the square root of an irrational number by approximating irrational square roots of them, after you use the calculator. (The calculator gives an approximate root also) For example,1. Approximate the square root of 4.3 to the nearest hundredth.Use the calculator, which shows 2. 0736444135.Since 3 < 5 round down to 2.07 and drop the digits to the right of 7.2. Approximate the negative square root of 10.8 to the nearest hundredth.Use the calculator, which shows -3.286335345Since 6 > 5 round up to -3.29 and drop the digits to the right of 8.
What is the equation for finding the square root of a number?
To find the square root of a number, take that number to the one-half power. Ex: 4^1/2 = 2 The best way to find a square root is simple guess and check. Because not all square roots are whole numbers, it is advisable to use either a calculator or square root table to find more complicated square roots. Give the Square Root Calculator a try: http://www.calculatorslive.com/Square-Root-Calculator.aspx
What is negative 14- positive 2 equals?
12
What is the square root of the number -456 simplified not like on the calculator?
2 times the square root of -114
What is the square of a negative number?
a positive square like if you have -2^2 it would be 4
What are the positive and negative square roots of 4?
The square roots of 4 are -2 and 2.
What is the square root of negative 18 in radical form?
The square root of negative 18 is an imaginary number.The square root of positive 18 is [ 3 sqrt(2) ].If the 18 is negative, then scientists and engineers indicate its square root as 3i sqrt(2) . The little ' i ' indicates the square root of negative one.
What is -18 times the square root of -16?
-2
