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For the inverse variation equation xy=k, what is the constant of variation, k, when x=-2 and y=5?

-10
-2/5
5/2
10

User Mark Tyers
by
7.6k points

2 Answers

0 votes

Answer:

-10

Explanation:

xy = k

(-2)(5) = k

-10 = k

User Gaby
by
8.1k points
2 votes

Answer: -10

Explanation:

Given: The inverse variation equation is given by :-


xy=k

To find : The constant of variation, k, when x=-2 and y=5

Substitute the given values of x and y in the given inverse equation , we get


-2* 5=k\\\\\Rightarrow\ k=-10

Hence, the value of constant of variation = -10

User Ashish Narmen
by
8.3k points

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