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In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.