Solving Proportion Problems
Question 1:
y is directly proportional to the square of x.
When x = 7, y = 343, find y when
x = 6.
252
Question 2:
y is directly proportional to the cube of x.
When x = 1, y = 5, find y when
x = 8.
2560
Question 3:
y is inversely proportional to the square of x.
When x = 8, y = 2, find y when
x = 1.
128
Question 4:
y is inversely proportional to the cube root of x.
When x = 8, y = 20, find y when
x = 125.
8
