What is the degree of (0x^5+4x^2-9x+6)?
Answer and explanation
Correct answer: 2
The coefficient of \(0x^5\) is 0, so it is a zero term and is not considered when finding the degree. The remaining polynomial is \(4x^2-9x+6\), whose highest power of \(x\) is 2. Therefore, its degree is 2. Option 5 is a close distractor, but the \(x^5\) term has coefficient 0 and does not contribute to the degree. Exam tip: Remove all zero-coefficient terms before identifying the highest exponent.
Frequently asked questions
What is the correct answer to this question?
2
Why is this the correct answer?
The coefficient of \(0x^5\) is 0, so it is a zero term and is not considered when finding the degree. The remaining polynomial is \(4x^2-9x+6\), whose highest power of \(x\) is 2. Therefore, its degree is 2. Option 5 is a close distractor, but the \(x^5\) term has coefficient 0 and does not contribute to the degree. Exam tip: Remove all zero-coefficient terms before identifying the highest exponent.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Degree of a Polynomial.
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