What is the degree of (5x^3-1+7x^6)?
Answer and explanation
Correct answer: 6
The degree of a polynomial is the greatest exponent of the variable with a non-zero coefficient. The exponents of the terms in the given polynomial are 3, 0, and 6; the greatest is 6. Therefore, the correct answer is 6. Option 3 is only the degree of the term 5x^3, not of the whole polynomial. Exam tip: Ignore the order of terms and identify the highest power of the variable.
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 greatest exponent of the variable with a non-zero coefficient. The exponents of the terms in the given polynomial are 3, 0, and 6; the greatest is 6. Therefore, the correct answer is 6. Option 3 is only the degree of the term 5x^3, not of the whole polynomial. Exam tip: Ignore the order of terms and identify the highest power of the variable.
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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