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An odd degree polynomial has at least one x-intercept. This is because the end behavior of the polynomial ensures that it must cross the x-axis at least once, transitioning from negative to positive or vice versa. The polynomial can have more than one x-intercept, but the minimum is one.

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1mo ago

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At most how many unique roots will a fourth degree polynomial have?

4, the same as the degree of the polynomial.


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No. A polynomial can have as many degrees as you like.


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As many as you like. The highest power of the variable in question (usually x) defines the degree of the polynomial. If the degree is n, the polynomial can have n+1 terms. (If there are more then the polynomial can be reduced.) But there is NO LIMIT to the value of n.


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