Mathematics
Grade10
Easy

Question

Can zero be in the domain of an inverse variation?

Hint:

Mathematical relationship between two variables which can be expressed by an equation in which the product of two variables is equal to a constant.

The correct answer is: No


    Inverse variation is modeled by the equation y = straight k over straight x.
    If x = 0, y is undefined.
    So, x cannot be equal to 0.
    Thus, zero can’t be in the domain of an inverse variation.

    The product of any number with 0 is always 0. So, zero cannot be the domain of an inverse function.

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