Question

Q01:} Find the Zeroes of the following quadratic polynomials and verify the relationship
bettveen the zeroes and the coefficients:-
a) 5x2 - 29x + 20
b) 22x2 - 9x + 5v2
c) 3V3x2 - 19x + 103
d) x2 - x - 72
e) x² - 2
A x² – 5x
g) x2 - 9​

Answer 1

Answer:

a)5x²-29x+20

5x²-25x-4x+20

5x(x-5)-4(x-5(

(x-5) and (5x-4)

now,

x-5=0. 5x-4=0

x=5. 5x=4

x=4/5

zeros are 5,4/5

d)x²-x-72

x²-9x+8x-72

x(x-9)8(x-9)

(x-9)(x+8)

now,

x-9=0. x+8=0

x=9. x=-8

two zerps are 9,-8

therefore (a) and (d)are the zeros of quadratic polynomial