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DIOSAAAIN
Answered

ation
A. Direct Variation
1. If y = 12 when x = 4, find y when x = 12
2. If y = -3 when x = - 4, find x when y = 2
3. If y = -18 when x = 9, find y when x = 7​

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Answer:

1. y= 36

2. x= 8/3

3. y= -14

Step-by-step explanation:

1. y=kx

12= k4

3=k

y=3(12)

y=36

2. y=kx

-3=k(-4)

¾=k

2=¾x

8/3=x

3. y=kx

-18=k9

-2=k

y=-2(7)

y=-14

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