What is the coefficient of (x) in (25-9x)?
Answer and explanation
Correct answer: -9
In the polynomial 25-9x, the term containing x is -9x. The number multiplying x is -9, so the coefficient of x is -9. The option 9 is incorrect because the negative sign is part of the coefficient. Exam tip: Always include the sign immediately before the variable when identifying a coefficient.
Frequently asked questions
What is the correct answer to this question?
-9
Why is this the correct answer?
In the polynomial 25-9x, the term containing x is -9x. The number multiplying x is -9, so the coefficient of x is -9. The option 9 is incorrect because the negative sign is part of the coefficient. Exam tip: Always include the sign immediately before the variable when identifying a coefficient.
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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