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3. Polynomials
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Q4 of 84 Page 48

If p(y) = 2y2 – 6y2 – 5y +7 then find p(2).

Put x = 2 throughout the polynomial

= 2 × (2)2 – 6 × (2)2 – 5 × 2 + 7


= 8 – 24 – 10 + 7


= -19


∴ p(2) = -19


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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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