Which of the following expressions is a monomial?
Answer and explanation
Correct answer: \(-9p^2\)
\(-9p^2\) has only one term, so it is a monomial. \(p+2\) and \(p^2+p\) each have two terms, while \(p+q+1\) has three terms; hence they are not monomials. Exam tip: Count terms by separating an expression at addition or subtraction signs.
Frequently asked questions
What is the correct answer to this question?
\(-9p^2\)
Why is this the correct answer?
\(-9p^2\) has only one term, so it is a monomial. \(p+2\) and \(p^2+p\) each have two terms, while \(p+q+1\) has three terms; hence they are not monomials. Exam tip: Count terms by separating an expression at addition or subtraction signs.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Algebraic expressions.
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