Question

Find the zeroes of the quadratic polynomial x²-12 and verify the relationship between the zeroes and coefficient.

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Answer 1

Answer:

Given,

x

2

+7x+12

zeros

x

2

+7x+12=0

(x+3)(x+4)=0

x=−3,−4

verification,

sum of roots =−

a

b

=−

1

7

=−7

product of roots =

a

c

=

1

12

=12

Hence proved.