please EXPLAIN this????

Algebra
Tutor: None Selected Time limit: 1 Day

The table below shows a direct variation. What is the value of m?

xy
1224
18m
2448
2
24
30
36
Mar 31st, 2015

36

y =2x

y = 2*18 when x=18

Mar 31st, 2015

thank you could u explain it a little more and i'll best your answer:)

Mar 31st, 2015

yes

When x=12 y =24

direct variation means y= kx

24 = k *12

k =24/12 =2

24 = 2*12

similarly 

48 =2*24

We need m which is y when x=18 ;

m= 2*18 =26


Mar 31st, 2015

Sorry , the last line is m=2*18 =36 

(typing mistake)

Mar 31st, 2015

Sorry , the last line is m=2*18 =36 

(typing mistake)

Mar 31st, 2015

thank you!!!!!

Mar 31st, 2015

I hope I made it clear.

Mar 31st, 2015

I hope I made it clear.

Mar 31st, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Mar 31st, 2015
...
Mar 31st, 2015
Dec 4th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer