👉 In mathematics, a property that is not affected by changes to one or more of its variables. This means that if one variable is changed, the value of the other variables remains unchanged, and vice versa. For example, in the equation y = x^2 + 3x + 2, if we change x to -1, then y will also change to (-1)^2 + 3(-1) + 2 = 4. However, if we change y to -
