Question

9. Which is the following is quadratic polynomial-
a. x2
b. x2 + 5 C.. x3 + 1
d. 2x​

Answer 1

Answer:

option a is the quadratic polynomial

Step-by-step explanation:

Quadratic polynomial:- a polynomial whose degree is 2 is called quadratic polynomial

now by options

a) X2 => degree is 2

b) xe+ 5c..X3+1 here degree is 3 as 2ed term has X3 term

c) it is linear polynomial as degree is 1

:. therefore quadratic polynomial is option b