Find the value of the polynomial 5x - 4x2 + 3 at(i) x = 0 (ii) x = -1 – InterviewSolution

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1.

Find the value of the polynomial 5x - 4x2 + 3 at(i) x = 0 (ii) x = -1(iii) x = 2

Answer»

(i) p(x) = 5x - 4x² + 3

p(0) = 5(o) +4(0)²+ 3

= 3

(ii) p(x) = 5x - 4x²+ 3

p(-1) = 5(-1) -4(-1) + 3

= -5 - 4(1) +3 = -6

(iii) p(x) = 5x - 4x² +3

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

= 10 - 16 + 3 = -3

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