Answers INMT3 Integrated Math 3 Sem 1 26-27Writing Polynomial Functions from Complex Roots

Writing Polynomial Functions from Complex Roots Answers

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Factor x3 + 2x2 + x completely.

(x + 1)2

x(x2 + 1)

x(x + 1)2

Find the roots of the polynomial functionf(x) = x3 + 2x2 + x

x = 0, x = –1

x = 0, x = 1 with multiplicity 2

x = 0, x = –1 with multiplicity 2

Expand the expression.2x2(x + 3)(x–2)

2x3 + 2x2 – 12x

4x3 + 6x2 – 4x2

2x4 + 2x3 – 12x2

Check all of the polynomial functions that have 2 as a root.

h(m) = 8 – m3

f(g) = g3 – 2g2 + g

f(a) = a3 – 4a2 + a + 6

f(x) = x3 – x2 – 4

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