If p(x) = 5x – 4x2 + 3 then p(

Foundation

Mathematics Foundation

types of polynomial

Question

If p(x) = 5x – 4x² + 3 then p(–1) = ?

–6

–2

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To find p(-1) for the polynomial p(x) = 5x - 4x² + 3, substitute x with -1 and simplify.

First, write the equation: p(-1) = 5(-1) - 4(-1)² + 3

Now, calculate each term step-by-step:

5(-1) = -5

(-1)² = 1, so -4(1) = -4

The constant term is +3

Now, add all the terms together: -5 + (-4) + 3 = -6

Therefore, p(-1) = $- 6$

Final Answer: -6