QUESTION: An 8CM square peice of cardboard is made into an open-topped box by cutting xCM from each corner.
A) What is the volume of the box?
B) What is the max value of X? (Couldn't Get)
ANSWERS:
A) V= L x W x H
V= (8-2x) (8-2x) (x)
V= (64 - 16x - 16x + 4squared) x
V= 64x - 16xsquared - 16xsquared + 4xcubed
V= 4xcubed - 32xsquared + 64x
- Use FOIL.
No comments:
Post a Comment