3 years ago

Please help me! It’s for my homework

Mathematics

1 answer:

vodka [1.7K]3 years ago

5 0

Which question? 21 or 22?

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Which graph represents (x - 1)2/9 (y-3)2/1

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Sarah brought her City car in for repairs and maintenance over the first three years she owned it she replace the brake pads in

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3 years ago

Which polynomial function has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1? f(x) = (x – 2i)(x – 3i) f(x) =

kykrilka [37]

Answer:

$P(x)=(x-2i)(x-3i)$

Step-by-step explanation:

Build a Polynomial Knowing its Roots

If we know a polynomial has roots x1, x2, ..., xn, then it can be expressed as:

$P(x)=a(x-x1)(x-x2)...(x-xn)$

Where a is the leading coefficient.

Note the roots appear with their signs changed in the polynomial.

If the polynomial has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1, then:

$P(x)=1(x-2i)(x-3i)$

$\mathbf{P(x)=(x-2i)(x-3i)}$

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