Question

17) Draw the graph of the polynomial p(x)=x2-3x-4 and find its zeroes.
Justify the answer.​

Answer 1

Answer:

The graph of p(x) is given above.

Clearly, from the graph x=−4,1 are zeros of p(x).

Verification:-

p(−4)=(−4)

2

+3×−4−4=16−12−4=0

p(1)=(1)

2

+3×1−4=1+3−4=0