In equivalent ratios if the numerator of the first ratio is greater than the denominator of the first ratio then the numerator of the second ratio is greater the denominator of the second ratio.

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

a. is correct