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3. Polynomials
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Q4 of 84 Page 53

For the polynomial mx2 + 2x + 3 if p(-1) = 7 then find m.

Put x = -1 throughout the polynomial

m × (-1)2 – 2 × (-1) + 3 = 7


m + 2 + 3 = 7


m + 5 = 7


m = 7-5


m = 2


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2

For each of the following polynomial, find and

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3

If the value of the polynomial m3 + 2m + a is 12 for m =2, then find the value of a.

5

Divide the first polynomial by the second polynomial and find the remainder using factor theorem.

(x2 – 7x + 9); (x + 1)

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Divide the first polynomial by the second polynomial and find the remainder using factor theorem.

(2x3 – 2x2 + ax – a); (x-a)

Questions · 84
3. Polynomials
1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 1 1 1 1 1 1 1 2 3 4 1 2 2 2 3 4 5 5 5 6 7 8 9 9 10 11 12 13 13 1 1 1 1 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 6 7 7 8 8 9 10 11 12 13 14 15
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