What is the degree of (5x^2+7x^6-2x^4)?
Answer and explanation
Correct answer: 6
The degree of a polynomial is the highest exponent of the variable among terms with non-zero coefficients. Here, the exponents of x are 2, 6, and 4. The greatest exponent is 6, so the degree of the polynomial is 6. Note that 7 is the coefficient of x^6, not the degree. Exam tip: Identify the exponent in each term first, then select the greatest one.
Frequently asked questions
What is the correct answer to this question?
6
Why is this the correct answer?
The degree of a polynomial is the highest exponent of the variable among terms with non-zero coefficients. Here, the exponents of x are 2, 6, and 4. The greatest exponent is 6, so the degree of the polynomial is 6. Note that 7 is the coefficient of x^6, not the degree. Exam tip: Identify the exponent in each term first, then select the greatest one.
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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