For the polynomial 3 5 + 2 5 + 1 5 - 7 2 - 6 writeThe value of polynomial when x=1
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Answers
Step-by-step explanation:
A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree is the highest or the greatest power of a variable in a polynomial equation.
A polynomial can be written as the product of its factors having a degree less than or equal to the original polynomial.
The process of factoring is called factorization of polynomials.
The value of a polynomial obtained on putting a particular value of the variable is called the value of the polynomial.
(i) x = 0
p(x) = 5x – 4x² + 3
On putting x = 0 ,
p(0) = 5(0) – 4(0)² + 3
p(0) = 0 – 0 + 3
p(0) = 3
p(0) = 3
(ii) x = -1
p(x) = 5x – 4x² + 3
On putting x= -1,
p(-1) = 5(-1) – 4(-1)²+ 3
p(-1) = -5 – 4(1) + 3
p(-1) = -5 – 4 + 3
p(-1) = -9 + 3
p(-1) = -6
p(-1) = -6
(iii) x = 2
p(x) = 5x – 4x² + 3
On putting x = 2
p(2) = 5(2) – 4(2)² + 3
p(2) = 10 – 16 + 3
p(2) = -6 + 3
p(2) = -3