WILL GIVE MEDAL.
Which equation represents a direct linear variation?

A y = x^2
B y = 2/5 x
C y = 1/x
D y = x + 3

Question

WILL GIVE MEDAL. 
Which equation represents a direct linear variation?

A       y = x^2
B       y = 2/5 x       
C       y = 1/x       
D       y = x + 3

bookworm14 · Answer

What do you think the answer is? :)

bookworm14 · Answer

also is answer choice "B" supposed to mean$$y=\frac{ 2 }{ 5x }  ~~or~ ~y=\frac{ 2 }{ 5 }x$$

anonymous · Answer

B? @Bookworm14

anonymous · Answer

second one

bookworm14 · Answer

Okay, I agree with you, I think it is "B" :) ~Bree Here is a link to an awesome graphing calculator https://www.desmos.com/calculator and here is a screen shot of all of these answer choices already graphed (Answer choice D looks linear, but it actually has a slight curve)

anonymous · Answer

thank u ! @Bookworm14

bookworm14 · Answer

Your Welcome! Always Happy to Help! ~Bree @mariahsienna

anonymous · Answer

can you help with just one more?? @Bookworm14

anonymous · Answer

Which relationship shows a quadratic variation?

anonymous · Answer

@Bookworm14

bookworm14 · Answer

sorry i lost connection, yes i can try to help :)

bookworm14 · Answer

can you post it in a new question thing? it just easier to keep up with ...

bookworm14 · Answer

@mariahsienna  I am so sorry, but I have no Idea how to do this :(