Question

Help with one question?

http://prntscr.com/cpbe4c

Answer 1

My guess would be D
y = -x
14 = -(-14)
14 = 14

Answer 2

you sure?

Answer 3

Yeah, It's the only one that makes sense to me

Answer 4

@phi do you agree with this answer?

Answer 5

direct variation means you can write an equation
y = k x
(which means y is k times x)

if we are given an (x,y) pair, we can figure out k
in this case they say x=-14, y=14. use those numbers:
14 = k * -14
solve for k (divide both sides by -14)
you get
-1 = k

now you know what k is for this problem
use it in
y= k x
to get the formula

Answer 6

y = kx is direct variation where k is a constant
you can find k by substituting values:-
14 = k * -14

so k = -1
so y = -1x

or y = -x

option D is correct

Answer 7

ok thank you all!