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For the inverse variation equation xy = k, what is the constant of variation, k, when x = 7 and y = 3?

For the inverse variation equation xy = k, what is the constant of variation, k, when x = 7 and y = 3?
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5 votes
For the inverse variation equation xy = k, what is the constant of variation, k, when x = 7 and y = 3?

User JQCorreia
by
9.0k points

2 Answers

5 votes

Answer:

d.21

Explanation:

User Chris Carruthers
by
8.6k points
6 votes
let xy=k with (x,y) being a point on the curve,
taking (7,3) implies 7*3=k=21
therefore xy=21
User Markoo
by
8.3k points
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