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Suppose y varies directly with x and y=4 when x=-2 ​
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5 votes
Suppose y varies directly with x and y=4 when x=-2
​

User Jjankowiak
by
3.5k points

2 Answers

6 votes

Answer:

y = -2x

Explanation:

The appropriate "direct variation" rule (formula) is y = kx.

Since y = 4 when x = -2, 4 = k(-2), or k = -2

Then the specific formula relating x and y is y = -2x

User N Sharma
by
3.8k points
6 votes

Answer:

the answer is x8

Explanation:

the answer is x8

User Ninad Kambli
by
3.2k points
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