What is a minus a squared?
“This is because to square a number just means to multiply it by itself. For example, (−2) squared is (−2)(−2)=4. Note that this is positive because when you multiply two negative numbers you get a positive result.” – This, of course, is the exact opposite of what was asked, but it’s the given response.
What is the square of a negative number?
Answer: Yes. If a number is squared, it becomes positive. The square of a number can be found by multiplying the number by itself. Explanation: The product of two negative numbers is always positive. If we find the square of a negative number, say -x, where x > 0, then (-x) × (-x) = x2.
Why is negative 2 squared?
Yes, you can square a negative number. This is because to square a number just means to multiply it by itself. For example, (-2) squared is (-2)(-2) = 4. Note that this is positive because when you multiply two negative numbers you get a positive result.
Can negative numbers have square roots?
A square root is written with a radical symbol √ and the number or expression inside the radical symbol, below denoted a, is called the radicand. Negative numbers don’t have real square roots since a square is either positive or 0.
What is 7.5 squared?
Square of 7.5 (7.52) = 56.25
| Function | Number | |
|---|---|---|
| Square Square Root Cube Cube Root Inverse | ( | ) =? |
What is the correct answer to negative seven squared?
If someone is saying “negative seven squared” no parenthesis are implied, it’s just -7 x -7 and the teacher is incorrect. The answer is -49. Negation is an operator on the same level as multiplication and division, which is evaluated after the exponent.
Which is the correct formula for 3 squared?
For example, 3 squared is written as 3² and 3² = 3 × 3 = 9. Nine is a perfect square. Goodman, Len and Weisstein, Eric W. “Square Number.”
Which is the square number of 9 squared?
9 squared is 9² = 9 × 9 = 81; 10 squared is 10² = 10 × 10 = 100; References/ Additional Reading. Goodman, Len and Weisstein, Eric W. “Square Number.” From MathWorld–A Wolfram Web Resource. Square Number. Wikipedia “Square Number” at https://en.wikipedia.org/wiki/Square_number
How to calculate the square of negative 4?
2. (negative 4) squared is (-4)² = (-4 × -4) = 16 Use parentheses to clearly indicate which calculation you really want to happen. A number n squared is written as n² and n² = n × n. If n is an integer then n² is a perfect square.