HELP. Am I right? Medal.
26. Do the data in the table represent a direct variation or an inverse variation? write equation to model the data in the table.

x: 1, 3, 5, 10
y: 4, 12, 20, 40

A. direct variation; y =4x
B. direct variation; xy =1/4
C. inverse variation; xy =4 ****
D. inverse variation; xy =1/4

Question

HELP. Am I right?   Medal.
26. Do the data in the table represent a direct variation or an inverse variation? write equation to model the data in the table.

x: 1, 3, 5, 10
y: 4, 12, 20, 40

A. direct variation; y =4x
B. direct variation; xy =1/4
C. inverse variation; xy =4  ****
D. inverse variation; xy =1/4

romantic_ch3micals · Answer

@sleepyhead314 help?

sleepyhead314 · Answer

you're saying that 10 times 40 equals 4 ?

romantic_ch3micals · Answer

oh...nevermind. It's A. I got confused.

sleepyhead314 · Answer

there you go :P

romantic_ch3micals · Answer

Can you help me with one more. I'm not sure if it's correct.

sleepyhead314 · Answer

of course

romantic_ch3micals · Answer

24. The temperature, T, of a given mass of gas varies inversely with its volume, V. The temperature of 20cm^3 of a certain gas is 15 degrees C. What will the temperature be when it is compressed to a volume of 5cm^3.

A. 10C ***
B. 300C
C. 6.67C
D. 60C

sleepyhead314 · Answer

(20)*(15) = k
k = ?

then  x = k / 5 = ?

romantic_ch3micals · Answer

D?

romantic_ch3micals · Answer

Because you divide 300 by 5...so I got 60

sleepyhead314 · Answer

that's what I got ^_^

romantic_ch3micals · Answer

alright! I'll take my chances! Thanks

sleepyhead314 · Answer

meadle?

romantic_ch3micals · Answer

Heh, sorry. I tend to forget