is -2 squared -4 or 4
why?
It is -4 because it is a negative 2
Are there parentheses? -2 * -2 = positive 4.
To determine the value of (-2) squared, follow these steps:
1. Square -2: (-2) * (-2) = 4
So, (-2) squared is equal to 4.
Now, let's calculate the expression (-2) squared - 4:
(-2) squared = 4
4 - 4 = 0
Therefore, the value of (-2) squared - 4 is 0, not -4.