Determine whether -2 is a zero of the polynomial x²+7x+12
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Answered by
6
Answer:
NO
-2 IS NOT THE ZERO OF POLYNOMIAL
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Answered by
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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.
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.
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