<p>If you’re applying regular decision, the college will see your mid-year, first semester (or first trimester) grades before making their admissions decisions. If I were you I would do my utmost to keep grades up at least until then. (After that, as T26E4 said, they probably would not rescind an admission unless you had Ds or below.) Can you go to your calc teacher for extra help, does your school have math tutors? I would go speak to your guidance counselor or math teacher ASAP about it. Also, my D found khanacademy (<a href=“https://www.khanacademy.org/”>https://www.khanacademy.org/</a>) helpful for learning math concepts she was struggling with. Free online tutoring site…</p>
<p>For ED, most colleges will ask to see your first quarter or first trimester grades.</p>