Important Question for Class 9 Maths Chapter 2: Introduction to Linear Polynomials
Table of Contents
Practice Exercise Set 2.1
Question 1:
Degree of a zero polynomial is:
एक शून्यक बहुपद की घात है:
(a) 0 \(\quad\quad\quad\quad\quad\quad\quad\;\) (b) 1
(c) any natural number \(\quad\) (d) not defined
Question 2:
Degree of a cubic polynomial is:
त्रिघात बहुपद की घात है:
(a) 3 \(\quad\quad\) (b) 2
(c) 1 \(\quad\quad\) (d) 0
Question 3:
Degree of polynomial p(x) = (x + 2) (x – 2)
बहुपद p(x) = (x + 2) (x – 2) की घात है:
(a) 1 \(\quad\quad\) (b) 2
(c) 3 \(\quad\quad\) (d) 4
Question 4:
The coefficient of x2 in x2(x2 + 2x – 5)
x2(x2 + 2x – 5) में x2 का गुणांक है:
(a) 1 \(\quad\quad\) (b) 2
(c) 5 \(\quad\quad\) (d) -5
Question 5:
The coefficient of x in x3 + 4x2 – 2x + 5
x3 + 4x2 – 2x + 5 में x का गुणांक है:
(a) 1 \(\quad\quad\) (b) 4
(c) -2 \(\quad\quad\) (d) 2
Important Question for Class 9 Maths Chapter 2: Introduction to Linear Polynomials
Practice Exercise Set 2.2
Question 1:
Which of the following polynomial has 2 as its zero?
कौन-से बहुपद का एक शून्यक 2 है?
(a) x2 + 2
(b) x – 2
(c) x2 – 2
(d) x + 2
Question 2:
If p(x) = x + 3, then p(x) + p(-x) is equal to
यदि p(x) = x + 3, तो p(x) + p(-x) के बराबर है:
(a) 2 \(\quad\quad\) (b) -1
(c) 25 \(\quad\;\) (d) \(\frac{25}{2}\)
Question 3:
If p (x) = x2 – 3x + 2 then find p (1) + p (-1) + p (2).
यदि p (x) = x2 – 3x + 2 तो p (1) + p (-1) + p (2) का मान ज्ञात कीजिए।
Important Question for Class 9 Maths Chapter 2: Introduction to Linear Polynomials
