The cost, C, of a diamond is directly proportional to the square of its weight, w (in carats).
A 0.5-carat diamond costs 2,250 dollars.
A) Find a general formula to describe the relationship, (Write your answer in the form ), and
B) use the formula to find the cost, in dollars, of a 3.5-carat diamond.

Question

The cost, C, of a diamond is directly proportional to the square of its weight, w (in carats).
A 0.5-carat diamond costs 2,250 dollars.
A) Find a general formula to describe the relationship, (Write your answer in the form ), and 
B) use the formula to find the cost, in dollars, of a 3.5-carat diamond.

Quizplus · Accepted Answer

The Answer of The cost, C, of a diamond is directly proportional to the square of its weight, w (in carats).
A 0.5-carat diamond costs 2,250 dollars.
A) Find a general formula to describe the relationship, (Write your answer in the form ), and 
B) use the formula to find the cost, in dollars, of a 3.5-carat diamond.

The Cost, C, of a Diamond Is Directly Proportional to the Square