3 years ago

How many chicks hiding? Explain how you know.

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

8 0

You can’t really answer this without showing us the the answer you got from item 6

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Step-by-step explanation:

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3 years ago

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3 years ago

What are the solutions of the equation x^4-9x^2+8=0? Use u substitution to solve.

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Answer:

The answer is the second option

Step-by-step explanation:

Let u=x^2.

$( {x}^{2} ) {}^{2} - 9( {x}^{2} ) + 8( {x}^{2} ) {}^{0}$

${u}^{2} - 9u + 8$

$(u - 1)(u - 8)$

$u = 1$

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Set this equal to x^2

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1 year ago