I confirmed all of the above earlier this year… she just falls squarely in the situation where she would need to retake it. I submitted an inquiry to the UC Admissions office to confirm whether taking only a second semester Geometry from UC Scout would suffice and am waiting to hear back. The question really is just about timing at this point, and the docs @ucbalumnus linked above calmed my nerves down considerably, looking at the Admit by Exception cases in athletics.
D27 is an overall solid student and taking 4 years of English, Math, Sciences, History/Social Studies and Language at a rigorous College Prep school (no APs). She really struggled with the sub teacher in the second semester combined with being sick + travel meets.