In which of the following x and y vary directly with each other. For each direct variation, state constant of variation.
1. y = -8x                2. y = 3/4x                 3. xy=5                 4. y=3/x                  5.y+4x=0                    6. y-3x=1
7.  x 1 2 3 4 y - 5 - 10 - 15 - 20

  • -4
What are you looking for?