18. An electrician bent an electric wire so that it can be adjusted into the circuit as shown in
It followed a mathematical s

18. An electrician bent an electric wire so that it can be adjusted into the circuit as shown in
It followed a mathematical shape. Answer the following questions below:
5
4
3
2
-3.42-1
01
(a)Name the shape in which the wire is bent.
(i) Spiral (ii) Ellipse
(iii) Linear
fiv) Parabola
(b) How many zeroes are there for the polynomial (shape of the wire)?
(0)1
(ii) 2
(iii) 3
(iv) 4
(c) Zeroes of the polynomial are:
(1)-2, 2
(ii) -1,-1 (iii) -2,3
Tiv) -1,3
(d) What will be the expression of the polynomial?
(i) x² – 1 (ii) x2 – 4 (ii) x2 – 9
(iv) x2 + 6x + 2
(e) Value of polynomial at x = 2 is:
(i)3
(ii) 2
fili) 1
liv) o​