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2 years ago

If x-2 is one of the factors of x^4-kx^2+4, find the value of k.

Mathematics

1 answer:

Andrei [34K]2 years ago

8 0

Step-by-step explanation:

Given expression is x⁴-kx²+4 =0

x−2 is a factor of the given expression.

So, x=2

Substitute in the equation, we get

2⁴-k(2)²+4

⇒16+4k+4=0

⇒4k=−20

⇒k=−5

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2 years ago

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kramer

Answer:

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Step-by-step explanation:

from this question

we have Adi to be t inches shorter than sunnee.

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to get adis height, we have to subtract the height difference t from sunnee's height.

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3 years ago

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Step-by-step explanation:

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2 years ago

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irina [24]

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2 years ago

For what value of a does (9) *** = 3438-1 -1 0 1 no solution

mario62 [17]

Answer:

solution,

$(\frac{1}{7} ) ^{3a + 3} = {343}^{a - 1} \\ or \: ( {7}^{ - 1} ) ^{3a + 3} = {(7}^{3} ) ^{a - 1} \\ or \: (7) ^{ - 3a - 3} = {(7)}^{3a - 3} \\ or \: - 3a - 3 = 3a - 33 \\ or \: - 3a - 3a = - 3 + 3 \\ or \: - 6a = 0 \\ \: a = 0$

hope this helps..

Good luck on your assignment..

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3 years ago