Question

If x = ky and when y = -12, x = -24 then k =. Single choice.

2

-1/2

-2
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Answer 1

Answer:

2 is the right answer because if

x=ky then

x/y=k

so -24/-12=2

Answer 2

Step-by-step explanation:

Given:-

x=ky

To find:-

when y = -12, x = -24 then find thee value of k

Solution:-

Given x=ky

= >k= x/y

=>x and y are in direct Proportional.

If x=-24

y=-12

k= -24/-12

=>k=2

Answer:-

The value of k=2 for the given problem

Used concept:-

If x and y are in the direct Proportional then x ∝y

=>x/y=k (constant)