Lydia writes the equation below with a missing value.She puts a value in the box and says that the equation represents a direct variation. Which explains whether the equation could represent a direct variation?
Answer
A
If she puts 0 in the box she would have a direct variation.
B
If she puts 5 in the box she would have a direct variation.
C
The equation is not of the form , so it cannot represent a direct variation.
D
The equation has a minus sign, so it cannot represent a direct variation.