Answer:
K = -2
Step-by-step explanation:
If y varies directly as x, k (constant) can be found by dividing the y-coordinate by the x-coordinate.

Answer:
yes you may use the answer will be 100% correct
Answer: the 3rd one
Step-by-step explanation: it would be the 3rd one because it goes through the y-axis one time
Sure but where is the test?
Your answer is x equals 2