2 years ago

50 POINTS AND BRAINLIEST!!!! PLEASE HELP IT'S IMPORTANT!!!!!

Mathematics

1 answer:

zvonat [6]2 years ago

7 0

Answer:

p=7

q=9

r=13

Step-by-step explanation:

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It is known that the point P(-9,18) belongs to the graph of the function y=k/x. Find k.

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Answer:

$k = (-162)$ .

Step-by-step explanation:

A point of the form $(x_{0},\, y_{0})$ belongs to the graph of this function, $y = k / x$ , if and only if the equation of this function holds after substituting in $x = x_{0}$ and $y = y_{0}$ .

The question states that the point $(-9,\, 18)$ belongs to the graph of this function. Thus, the equation of this function, $y = k / x$ , should hold after substituting in $x = (-9)$ and $y = 18$ :

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