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If the graph of a polynomial cuts the x-axis at x = 3, what is its zero?

Answer and explanation

Correct answer: 3

The x-value where the graph intersects the x-axis is a root of the polynomial because the polynomial's value is zero at that x. Here the graph intersects at x = 3, so the zero is 3. The closest distractor −3 is wrong because the sign is opposite; 0 and 1 do not match the given intersection point. Exam tip: note the difference between 'cuts' and 'touches' — both give zeros, but touching usually indicates even multiplicity while cutting indicates odd multiplicity.

Related tags

PolynomialsGraphZeroX-InterceptGeometrical Meaning Of The Zeroes Of A Polynomial.Geometrical Meaning Of The Zeroes Of A PolynomialMathematicsClass 10 Mcq

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