Question

i. Zero of the quadratic polynomial x- 2x -8 is
a) 2,4 b) -2,4 c) -2,-4 d) None of these.
b) Do as directed.
(3x1​

Answer 1

Step-by-step explanation:

Options is D because here the answer is 2,-4

Answer 2

${x}^{2} - 2x - 8 = 0$

${x}^{2} - 4x + 2x - 8 = 0$

$x(x - 4) + 2( x - 4) = 0$

$x - 4 = 0 \: \: \: x + 2 = 0$

x=4,x=-2

option b is correct