Q. 5 B Type

Is — 1 a zero of the quadratic polynomial x2 + 2x — 3?

Answer :

Putting the value of -1, in the given polynomial,


(-1)2 + 2(-1) – 3


1 – 2 – 3


3 – 3


0


the value comes out to be 0.


-1 is one of the zeroes of the given polynomial.


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