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3 votes
If y varies directly with x and y = 6 and x = -3, find y when x = 4.

User Bunti
by
7.3k points

2 Answers

5 votes

Ask questions in the comment section if you have questions. I'm happy to help! <3

Explanation:

What the question is telling you is that x and y and proportional, almost like a ratio.

x : y

-3 : 6

Now we have to find y when x is four.

-3 : 6

to

4 : y

Let's create a proportional equation...

(-3 / 6) = 4 / y

- 1 / 2 = 4 / y

What can we divide by four to create -1/2?

y = -8.

User Alexandru Cancescu
by
7.2k points
3 votes

Answer:

y = -8

Explanation:

6/-3 = -2

4 * -2 = -8

y = -8

User Zseder
by
8.1k points