Question

find the value of the polynomial 5x-4x²+3=0 at x= 0 and x=2​

Answer 1

Answer:

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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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Answer 2

Step-by-step explanation:

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

ANSWER

(i) x = 0

5x0 - 4x0 + 3

=> 3

Answer (I) 3

(ii) x = -1

5 x (-1) - 4 x 1+ 3

=> -5 - 4 + 3

=> -9 + 3

=> -6

Answer (ii) -6

(iii) x = 2

5 x 2 - 4 x 4 + 3

=> 10 - 16 + 3

=> 13 - 16

=> -3

Answer (iii) -3

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