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7 votes
If y varies directly as x , and y =-4 when x=8, find y when x=8

User Lars Levie
by
4.7k points

2 Answers

9 votes

Answer: y=-4

Step-by-step explanation:

y = 4 when x = 8 So, 4 = 8k

k = 1/2

y = (1/2)x

Thanks for the points <3

User Jsalvata
by
4.7k points
7 votes

Answer:

y=-4

Step-by-step explanation:

If y=-4 when x=8, y=-4 when x=8

User Gruffy
by
5.0k points