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What is a Polynomial?

A polynomial is defined as an expression of two or more algebraic terms. The term polynomial itself means “poly” (means many) and “nomial” (means terms). A polynomial can consist of constants, variables, and even exponents. Check out this detailed polynomials article to understand about this topic it in detail and to get further information.

Standard Form of a Polynomial:

[a0 xn + a1 xn – 1 + a2 xn – 2 + …….. + an x2 + an – 1 x + an]

Degree of a Polynomial:

In a polynomial, the highest power of the polynomial is referred to as the degree of the polynomial.

Types of Polynomials

There are three main types of polynomials which are linear, quadratic, and cubic polynomial according to the degree of that polynomial.

Degree Type of Polynomial

1 Linear Polynomial

2 Quadratic Polynomial

3 Cubic Polynomial

The above table can be explained as “a polynomial with degree 1 is known as a linear polynomial, a polynomial with degree 2 is binomial or quadratic polynomial, whereas with degree three is cubic polynomial.”

Root or Zeroes of a Polynomial

For any given polynomial, the value of x obtained by substituting the value of polynomial as 0 is known as the zero of the polynomial. These are also termed as roots of the equation.The Graphical meaning of the zeros of the polynomial is that the curve cuts the x-axis a point (k,0), where k is the root of the polynomial.

Notes: A polynomial of degree n will have n roots. So, any quadratic polynomial can only have a maximum of 2 zeroes and any cubic polynomial will have 3 zeroes maximum.

A quadratic equation ax2 + bx + c = 0 will have 2 roots, say α and β.

The sum of roots (α + β = -b⁄a)

Product of the roots (αβ = c⁄a)

Division Algorithm

According to division algorithm, any polynomial p(x) and any non-zero polynomial g(x), there exists polynomials q(x) and r(x) such that p(x) = g(x) q(x) + r(x), where r(x) = 0 or degree r(x) < degree g(x).

Example Questions

Example 1 (based on zeroes or roots of a polynomial)

Polynomial For Class 10 Example Questions

Example 2 (based on division algorithm)

Polynomial For Class 10 Example Questions

Also Access

NCERT Solutions for class 10 Maths Chapter 2

NCERT Exemplar for class 10 Maths Chapter 2

Practice Questions

Find all the zeroes of2x4 – 3x3 – 3x2 + 6x – 2 if two of its zeroes are √2, and -√2

Find all the zeroes of a polynomial 3x4 + 6x3 – 2x2 – 10x – 5 if two of its zeroes are given as: √(5⁄3), and -√(5⁄3)

Calculate the values of a, and b if the zeroes of the polynomial x3 – 3x2 + x + 1 are a – b, a, a + b.

Access CBSE Class 10 Maths Sample Papers Here.

Access NCERT Class 10 Maths Book Here.

Related Polynomial Articles

Polynomial

Functions Degree Of A

Polynomial

Quadratic Formul

& Quadratic

Polynomial Polynomial

Division

& Long Division

Algorithm

Factorization of

Polynomials NCERT Solutions

Class

10 Maths

Polynomials

Revision Notes For

CBSE Class

10 Maths Chapter 2

Polynomials Important

Questions

from Class

10 Polynomials

To get more such maths and science notes for class 10, keep visiting BYJU’S. Also, get various class 10 sample papers, questions papers, and other study materials to prepare for the board exam more efficiently

MATHS Related Links

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Derivative Examples Base of Binary Number System for scinece https://www.youtube.com/watch?v=43G7DnxgJCI

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