What is the degree of (8x^2+6x^8-5x^4)?
Answer and explanation
Correct answer: 8
The degree of a polynomial is the greatest exponent of its variable. The exponents in the given polynomial are 2, 8, and 4, and the greatest is 8. Therefore, its degree is 8. The number 6 is the coefficient of x^8, not the degree. Exam tip: identify the highest power of the variable, regardless of the order of terms.
Frequently asked questions
What is the correct answer to this question?
8
Why is this the correct answer?
The degree of a polynomial is the greatest exponent of its variable. The exponents in the given polynomial are 2, 8, and 4, and the greatest is 8. Therefore, its degree is 8. The number 6 is the coefficient of x^8, not the degree. Exam tip: identify the highest power of the variable, regardless of the order of terms.
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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