consider this equation
(4x) 1/3 - x =0
the first step to solving this equation is to
A. take the cube root of both sides
B. cube both sides
C. add x to both sides
the second step is to
A. add the cube of x to both sides
B. add the cube root of x to both sides
C. cube both sides
solving this equation for x initially yields
A. one possible value
B. three possible values
C. two possible values
checking the solutions shows that
A. 0 and 2 are valid solutions
B. only 0 is a valid solution
C. -2,0, and 2 are valid solutions
D. none are valid solutions