Question

The Value of a polynomial 5x - 4x²+ 3 when x = - 1 is ?​

Answer 1

Answer:

-6

Step-by-step explanation:

p(x)=5x-4x²+3

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

p(-1)=-9+3

p(-1)=-6

Answer 2

Answered :

Find the value of the polynomial 5x - 4x² + 3 at :

(i) x=0 (ii) x = -1 (iii) x = 2

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Answers

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QUESTION ---- Find the value of the polynomial 5x - 4x² + 3 at :

(i) x=0 (ii) x = -1 (iii) x = 2

ANSWER

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(i) x = 0

5×0 - 4×0 + 3

=> 3

Answer (I) 3

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(ii) x = -1

5 × (-1) - 4 × 1 + 3

=> -5 - 4 + 3

=> -9 + 3

=> -6

Answer (ii) -6

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(iii) x = 2

5 × 2 - 4 × 4 + 3

=> 10 - 16 + 3

=> 13 - 16

=> -3

Answer (iii) -3

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Step-by-step explanation:

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