If p(y) = 2y3 − 6y2 − 5y + 7 then find p(2). - Algebra

Question

If p(y) = 2y³ − 6y² − 5y + 7 then find p(2).

Sum

Solution

p(y) = 2y³ − 6y² − 5y + 7

p(y) = p(2)

`∴ p(2) = 2 × (2)³ − 6 × (2)² − 5 × 2 + 7`

= 2 × 8 − 6 × 4 − 10 + 7

= 16 − 24 − 10 + 7

= −11

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Value of a Polynomial

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Q (4)Q (3)Q (1) (i)

Chapter 3: Polynomials - Practice Set 3.4 [Page 48]

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Balbharati Algebra (Mathematics 1) [English] 9 Standard Maharashtra State Board

Chapter 3 Polynomials
Practice Set 3.4 | Q (4) | Page 48

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If p(y) = 2y3 − 6y2 − 5y + 7 then find p(2). - Algebra

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