Chapter 2

Introduction to Linear Polynomials

CBSE Class 9

Mathematics Solutions

Question:

Write a polynomial of degree 3 in the variable $x$ , in which the coefficient of the $x^2$ term is -7.

Answer: Verified

Example: $2x^3 - 7x^2 + 4x + 5$ .

Any cubic polynomial with $-7x^2$ is acceptable.

Download Free PDF

(All Q's of this Chapter solved)

More NCERT Questions

What is the cost of travelling 15 km? For how many km will the cost be ₹ 700 (Refer to Example 9 on NCERT page no. 24)? [Page No. 24] Differentiate between the graphs of the equations y = 3x + 1, and y = -3x + 1. [Page No. 33] Identify other points on the line by completing the following table. [Page No. 28] x 1 2 5 7 9 12 20 y 3 15 Can you guess what the numbers 20 and 150 in the equation y = 20x + 150 represent (Refer to Example 11 on NCERT page no. 26)? [Page No. 27]