TEST A
Direction: Write I if the statement is true and E if it is false.
1. In symbols, y = kx, "k" represents the constant of variation.
2. The weight (w) of an athlete is directly proportional to his height (h) is expressed as
w = kh.
3. A varies directly as B and inversely as C is an example of inverse variation.
4. y varies jointly as x and z is expressed as y =kx/z
5. "The area of a square varies directly as its sides," is an example of direct variation.
​