Precalculus Practice Exam

Part 3 Test 3 Time: 1 hour

  1. Solve the following equation for x:


  2. The half-life of tex2html_wrap_inline48 Ra is 1,620 years. How long before the sample reduces to 67% of the original amount?

  3. Find the special parabola tex2html_wrap_inline50 that contains the points (3,26), (-2,21), and (1,6).

If you would like to check your answers, click on Answer.

If you would like to practice another Part 3 exam, click on Next Exam.

If you would like to practice on exams for Parts 1, 2 or 4, click on Menu. It will take you back to the original menu.

Sun Jun 22 21:14:04 MDT 1997

Copyright 1999-2017 MathMedics, LLC. All rights reserved.
Contact us
Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA
users online during the last hour