Question

the figure is a picture of a rainbow showing mathematical shape .Answer the questions given below.

(i)Name the shape of the rainbow.
a. linear
b.spiral
c.parabola
d.ellipse

(ii)What will be the expression of the polynomial representing the rainbow?
a. y= ax + b
b.
$y = a{x}^{2} + bx + c$
c.
$y = \: a {x}^{3} + b {x}^{2} + cx + d$
d.None of these

(iii) If the rainbow is represented graphically zeroes of the polynomial can be expressed graphically.Number of zeroes of polynomial is equal to number of points where the graph of polynomial:
a.Intersects x-axis
b.Intersect y axis
c.Intersects y axis or x axis
d.None of the above

(iv)The representation of rainbow whose sum of the zeroes is —3 and product of the zeroes is 5 is :
a.
${x}^{2} - 3x - 5$
b.
${x}^{2} - 3x+ 5$
c.
${x}^{2} + 3 x- 5$
d.
${x}^{2} + 3 x+ 5$

(v)Graph of the quadratic polynomial is:
a. straight line
b. circle
c. parabola
d. ellipse​

Answer 1

Answer:

1: c answer is correct

2: b answer is correct

3: a answer is correct

4: b answer is correct

5: c answer is correct

Answer 2

Answer:

Hello Your answer is below

Please mark as best

and me

Step-by-step explanation: