4 years ago

X and y vary inversely, and y =7 when x = 4. What is the constant of variation?

Mathematics

2 answers:

alisha [4.7K]4 years ago

7 0

Answer:28

Step-by-step explanation:

X varies inversely as y

X©1/y

X=k/y

4=k/7

Cross product

We get 4×7=k×1

28=k

Therefore constant (k)=28

o-na [289]4 years ago

4 0

Answer:

Y doesn't vary directly with x

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