Advanced course with high GPA but basic course with low GPA

[zizeklq]

I'm a foreign student transferring to my current college, In my first semester  I have to take time to adapt the circumstance, so the two courses(multivariate calculus and basic Programming 1) taken in my first semester only have C. But I have high GPA(mostly A, rarely AB) for advanced mathematics and programming 2 courses. Do I need to retake the low GPA courses again to make up low GPA or I should continue to take advanced math courses if I want to apply for grad next year?  What about taking GRE math sub test?      In my school, If retaking one course, the final grade for this course is the average grade of two. 

Edited July 21, 2018 by zizeklq

[Bayesian1701]

I have a couple of follow up questions to help us better answer your original question.

First, what are you wanting to study?  Are you interested in a masters (typically unfunded in the US) or Ph.D.?  What field (Mathematics/Statistics) do you want to study?

What will retaking those classes do at your institution?  Will they be removed from the transcript or will they remain and your GPA will not be affected.  I know at my undergraduate institution retaking classes with a C or higher had no effect on your GPA,  so I would verify it would help raise your GPA or possibly remove the grade.

It's probably a better option in most cases to take harder classes covering similar things (Real Analysis, Numerical Methods, Differential Equations)  and do well in those classes.