Fill in the blank with the correct term/phrase or quantity.
1. The equation y = kx defines a/an ₋₋₋₋₋₋₋₋₋₋₋₋₋ variation.
2. The equation ₋₋₋₋₋₋₋₋₋₋₋₋ represents inverse variation.
3. If N varies inversely as p, N = ₋₋₋₋₋₋₋₋₋₋₋₋₋₋.
4. In y = kx, k is the ₋₋₋₋₋₋₋₋₋₋₋₋₋₋.
5. The equation y = kx² defines a/an ₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋ variation.