Solving Proportion Problems
Question 1:
y is directly proportional to the square of x.
When x = 1, y = 9, find y when
x = 9.
729
Question 2:
y is directly proportional to the cube root of x.
When x = 64, y = 8, find y when
x = 8.
4
Question 3:
y is inversely proportional to the cube of x.
When x = 3, y = 40, find y when
x = 2.
135
Question 4:
y is inversely proportional to the square root of x.
When x = 64, y = 9, find y when
x = 4.
36
