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2 years ago

15

If x > 0, which of the following is positive? 1. -x 2. x^2 3. (-x)^3 4. 1/-x

1 answer:

lapo4ka [179]2 years ago

3 0

Answer:

$x^2$

Step-by-step explanation:

$x > 0~\text{means that x is positive number.}$

$\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}$

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we know that

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In this problem

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see the attached figure with letters to better understand the problem

we have that

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the formula to calculate the distance between two points is equal to

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