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BlackZzzverrR [31]
3 years ago
7

Find a cubic function with the given zeros. Square root of seven. , - Square root of seven. , -4

Mathematics
1 answer:
yan [13]3 years ago
8 0

Answer:

y= x^{3} +4x^{2}-7x-28

Step-by-step explanation:

We have to find a cubic function of x whose zeros are at x = √7, x = -√7 and at x = -4.

Therefore, the factors of the function will be (x - √7), (x + √7), and (x + 4)

Hence, the equation will be y = (x - √7) (x + √7) (x + 4)

⇒ y = (x^{2} -7)(x +4)

⇒ y= x^{3} +4x^{2}-7x-28 (Answer)

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Andrei [34K]

Answer:

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Step-by-step explanation:

Add √(82) -3sin(x) to both sides to get ...

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Now, divide by 2 and find the arcsine:

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Of course, the supplement of this angle is also a solution, along with all the aliases of these angles.

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In degrees, the solutions are approximately 16.562° and 163.438° and integer multiples of 360° added to these.

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