Question

If 3 is a zero of polynomial 2x² + x + k then value of k will be
12
21
24
-21

Q2. The zero of the polynomial x²+x-2 are
1,2
-1,-2
1,-2
-1,2


Q3. . A quadratic polynomial, whose zeroes are -3 and 4, is
x²- x + 12
x² + x + 12
x²- x -12
2x² + 2x – 24
Other:


Q4.The degree of the polynomial, x4 – x2 +2 is
2
1
0
4

Q5.The number of polynomials having zeroes as -2 and 5 is:
1
3
2
more than 3
Other:
​

Answer 1

Answer:

a.-2

B.-2,-1

c.2x^2+2x-24

d.4

e.2