rule is here:

 

Validation | Counselors - UC Admissions - University of ...

 

https://admission.universityofcalifornia.edu › counselors › q-and-a › valida...

1.  

All applicants must complete a Geometry course. The omission of Geometry cannot be validated by a higher level math course. A student can, however, validate a grade deficiency (D/F grade) in Geometry by successful completion of a higher level course.