Question

9. The value of the polynomial 5x - 4x^2+ 3, when x=-1 is
(A) - 6 (B) 6 (C) 2 (D) -2​

Answer 1

Answer:

p( x) = -4x*2 + 5x + 3

p (x) = 4x *2 -5x - 3

p( -1 ) = 4 ( -1 ) *2 - 5 ( -1 ) - 3

p( -1 ) = 4 + 5 - 3

p ( -1 ) = 9 - 3

p ( -1 ) = 6

option (B) is your answer

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