9Th Maths:2.Polynomials and Factorisation

The degree of the polynomial 7x³+5x²-2x+1

• 3

• 2

• 1

• 0

The zero of the polynomial 2x-1

• 2

• 1

• -1

• 1/2

If 3 is a zero of the polynomial x²+2x-a then the value of a is

• 5

• 15

• 3

• non of these

The zeros of polynomial x²-3x+2 are

• -1,-2

• -2, -1

• 1,2

• none of these

Factors of m² - n² are

• m - n , m + n

• n - m , n + m

• m, n

• none of these

If g( x ) = x² -3x +2 then g(0)+ g(2)=

• 4

• 0

• 1

• 2

If a+ b+ c = 0 then a³ + b³ + c³ then

• abc

• 3abc

• 2abc

• 4abc

The degree of the polynomial (y³ +4)(5-y⁵) =

• 5

• 3

• 8

• 2

If p(x)= 4x then p(2)xp(-1)=

• 8

• -2

• -32

• none of these

-4x+2 is a

• monomial

• binomial

• trinomial

• multinomial