CK-12 Flexi

CK-12 Flexi

Ace Your Math & Science Homework and Tests with CK-12's Flexi! It's like having a genius in your pocket. Available free at flexi.org.

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Prompt Starters

  • I want to review rotations and translations
  • I want to learn cell biology
  • Quiz me on stoichiometry
  • Could Spider-Man really swing between buildings using spider silk?
  • If a car moving 25 m/s starts speeding up with an acceleration of 15 m/s^2, what will its velocity be after 4 seconds?