for the data in the table does y vary directly with x if it does write an equation for the direct variation.
x | y
10 12
15 18
20 24

Question

for the data in the table does y vary directly with x if it does write an equation for the direct variation.
x |  y
10 12
15 18
20 24

anonymous · Answer

I will fan and medal!!

janu16 · Answer

@mathwizzard3

retireed · Answer

You need to plot the data on a graph to try and visualize any correlation.

mathwizzard3 · Answer

dayakar · Answer

X/y= k  ( k  is a constant )

K = x/y =10 /12  = 2×5/2×6=5/6
6x =5y

mathwizzard3 · Answer

Please watch the video! It will help you A LOT!!!!!!!!!!

mathwizzard3 · Answer

It is only 1 minute

anonymous · Answer

I watched the video. I kind of understand it now

mathwizzard3 · Answer

Okay, so what do you think it is?

mathwizzard3 · Answer

direct or indirect?

dayakar · Answer

There is no need of draw a graph to find a relation between x  and y

anonymous · Answer

its direct = 1.2

mathwizzard3 · Answer

Yes!

anonymous · Answer

thanks for sharing the video! i think I'm good with those kind of problems now.

mathwizzard3 · Answer

That's great, I'm glad it helped!

dayakar · Answer

X = 5/6 y

dayakar · Answer

There is no need of draw a graph to find a relation between x  and y

dayakar · Answer

X/y= k  ( k  is a constant )

K = x/y =10 /12  = 2×5/2×6=5/6
6x =5y

mathwizzard3 · Answer

so is that all you need?

anonymous · Answer

yeah I might have another question later tho, can i tag you if I need help?

mathwizzard3 · Answer

Okay but I might be leaving soon :)

anonymous · Answer

okay, I'm still working on the assignment so if I have a question it will be probably be soon anyway