Directions: For each question, choose the best answer from the four choices provided. Calculator use is permitted throughout. A reference sheet of formulas is available during the test. Click "Check Answer" after selecting a choice to see instant feedback — correct answers trigger a small celebration. You may answer questions in any order using the jump navigation bar. When you are finished with a module, click "Submit Module" to lock in your answers and proceed. After Module 2, you'll receive your estimated score and a full review of any questions you missed.