chromechris
New member
- Joined
- Jan 21, 2018
- Messages
- 24
There is a sample word problem in a textbook about creating a quadratic function in vertex form to model the word problem. I understand solving the problem, however, what I do not understand about the example is when only the variable "k" is converted from inches to feet, while the variable "a" is kept in inches. The function is then solved while using these two different units of measurement within the function. Why not also convert "a" to feet? Sorry if this is an ignorant question. The question is in the following image: