1. Z is proportional to X. When X = -4, Z = 2. Enter the value of X required to give Z = -2.
2. Y is proportional to X. When X = 2, Y = 1. Find the value of X required to give Y = -4.
3. Z is proportional to (X - 2). When X = 1, Z = 1. Enter the value of X required to give Z = -2.
4. Y is proportional to (1 - X). When X = 2, Y = -2. Find the value of X required to give Y = 6.
5. Y is inversely proportional to X. When X = 2, Y = 1. Find the value of X required to give Y = 6.
6.C is inversely proportional to A^2. When A = 0.1, C = 50. Find C when A = .02.