Advertisements
Advertisements
Question
Find the zero of the polynomial in the following case:
p(x) = 2x + 5
Advertisements
Solution
p(x) = 2x + 5
p(x) = 0
2x + 5 = 0
2x = −5
x = `-5/2`
Therefore, for x = `-5/2`, the value of the polynomial is 0.
Hence, x = `-5/2` is a zero of the given polynomial.
APPEARS IN
RELATED QUESTIONS
Find the value of the polynomial 5x – 4x2 + 3 at x = 0.
Find p(0), p(1) and p(2) for the following polynomial:-
p(t) = 2 + t + 2t2 – t3
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = x2, x = 0
Verify whether the following zeroes of the polynomial, indicated against them.
p(x) = 3x2 – 1, x = `-1/sqrt3,2/sqrt3`
Find the zero of the polynomial in the following case:
p(x) = ax, a ≠ 0
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f ( x ) = 3x +1, x = - 1/3`
Find the value of the polynomial 5x – 4x2 + 3 at x = 2.
Find the zero of the polynomial of the following:
p(x) = 2x + 5
Verify whether the following are zeros of the polynomial, indicated against them, or not
p(x) = (x + 3) (x – 4), x = −3, x = 4
Find the number of zeros of the following polynomial represented by their graph

