Question

Due to heavy storm an electric wire got bent as shown in figure. It followed a mathematical shape.
(a) Name of the shape in which the wire bent?
(i) Parabola (ii) Linear (iii) Hyperbola (iv) Circular
(b) The zeros of the polynomial are
(i) 1 and 3 (ii) -1 and -3 (iii) 0,3 (iv) 0,1
(c) What will be the expression of the polynomial?
(i) x2 +1 (ii) x2 +3x+2 (iii) x2 -4x+1 (iv) x2+2x-2
(d) What is the value of the polynomial, if x=-2.
(i) 10 (ii) 13 (iii) 11 (iv) 15
(e) If the graphs is completely above X-axis, Then find the number of zeroes.?
(i) 0 (ii) 2 (iii) 4 (iv) Infinite

Answer 1

a) Parabola

b) -1 and -3

c) x2 +3x+2                                         <-------  I think these are the answers.

d) 15

e) Infinite