Advertisements
Advertisements
Question
–3 is a zero of y2 + y – 6
Options
True
False
Advertisements
Solution
This statement is True.
Explanation:
Zero of y2 + y – 6 is given by,
y2 + y – 6 = 0
⇒ y2 + 3x – 2x – 6 = 0
⇒ y(y + 3) – 2(x + 3) = 0
⇒ (y – 2)(y + 3) = 0
⇒ y = 2 or –3
APPEARS IN
RELATED QUESTIONS
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) = x + 5
Find the zero of the polynomial in the following case:
p(x) = 3x – 2
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f ( x ) = 3x +1, x = - 1/3`
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`g(x)=3x^2-2,` `x=2/sqrt3 2/sqrt3`
Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:
`f ( x) = x^2and x = 0`
Find the value of the polynomial 5x – 4x2 + 3 at x = –1.
Find the number of zeros of the following polynomial represented by their graph

Zero of the polynomial p(x) = 2x + 5 is ______.
Find the zeroes of the polynomial in the following:
g(x) = 3 – 6x
