Guided Practice Suppose y varies inversely with x. Write an equation for the inverse variation.

y = 6 when x = 1/3.

A.
y = 2x

B.
xy= 1/18

C.
xy = 2

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Ответ:

rleiphart1

22.11.2021

Mathematics

Answer is in the steps read carefully.

Step-by-step explanation:

$\sqrt{6} + \sqrt{9}$ does not represent a rational number because the square root of 6 is not a perfect square.

$\sqrt{64} + \frac{6}{11}$ This represents a rational number because the square root of 64 is a perfect square which is 8 and if added to a fraction you will get a rational number.

$\sqrt{16} + \sqrt{169}$ represents a rational number because they are both a perfect square. The square root of 16 is 4 and the square root of 169 is 13.

$17.4343.... +\sqrt{49}$ represents a rational number because since 17.43 repeating can be expressed as a fraction, and the square root of 49 is a perfect square, if added together they will generate a rational number.

$\sqrt{44} + \sqrt{25}$ Does not represents a rational number because the square root of 44 is not a perfect square and when you add an irrational number and an rational number then you will get an irrational number.

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Guided Practice Suppose y varies inversely with x. Write an equation for the inverse variation. y = 6 when x = 1/3. A. y = 2x B. xy= 1/18 C. xy = 2