3 years ago

Solve the inequality x^2 -2x - 8 >0

Mathematics

1 answer:

kykrilka [37]3 years ago

8 0

Answer:

and here is your answer

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Answer: Option C

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Step-by-step explanation:

To solve this problem use the properties of the logarithms.

We know that the inverse function of $y = log_2 (x)$ is $y = 2 ^ x$ .

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Now apply this property on both sides of the equation

$log_2(x) = 3\\\\2^{log_2(x)}=2^3\\\\x = 2^3\\\\x = 8$

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Solve the inequality x^2 -2x - 8 >0​

Solve the inequality x^2 -2x - 8 >0