In which option is the degree of the linear polynomial stated incorrectly?
Answer and explanation
Correct answer: The degree of \(0x+5\) is 1.
In \(0x+5\), \(0x=0\), so the polynomial simplifies to \(5\). Since \(5\) is a non-zero constant polynomial, its degree is 0; therefore, stating its degree as 1 is incorrect. In the other three polynomials, the coefficient of \(x\) is non-zero, so each has degree 1. Exam tip: simplify a polynomial by removing zero-coefficient terms before finding its degree.
Frequently asked questions
What is the correct answer to this question?
The degree of \(0x+5\) is 1.
Why is this the correct answer?
In \(0x+5\), \(0x=0\), so the polynomial simplifies to \(5\). Since \(5\) is a non-zero constant polynomial, its degree is 0; therefore, stating its degree as 1 is incorrect. In the other three polynomials, the coefficient of \(x\) is non-zero, so each has degree 1. Exam tip: simplify a polynomial by removing zero-coefficient terms before finding its degree.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Linear polynomials.
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