Which polynomial is not linear?
Answer and explanation
Correct answer: \(2x^2+3\)
In \(2x^2+3\), the highest power of \(x\) is 2, so its degree is 2. Therefore, it is a quadratic polynomial, not a linear polynomial. A linear polynomial has degree 1, as in \(5x-1\), \(x+8\), and \(9-4x\). Exam tip: Identify the degree by checking the highest exponent of the variable.
Frequently asked questions
What is the correct answer to this question?
\(2x^2+3\)
Why is this the correct answer?
In \(2x^2+3\), the highest power of \(x\) is 2, so its degree is 2. Therefore, it is a quadratic polynomial, not a linear polynomial. A linear polynomial has degree 1, as in \(5x-1\), \(x+8\), and \(9-4x\). Exam tip: Identify the degree by checking the highest exponent of the variable.
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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