For many students who have had their academic plans disrupted due to the COVID-19 emergency, Distance Calculus may be the right program for you to keep your academic goals on track. During this COVID-19 emergency, Distance Calculus remains in full operation. You may enroll and start immediately with any course. Contact us to discuss how we can help. (Updated April 2020)

The Primitives of Precalculus
by Robert Curtis

Classical Linear Functions - Finding x-Intercept

  • P3: Linear Functions:
    • P3.3: Classical Linear Functions:
      • P3.3.f: Finding x-Intercept:
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    Distance Calculus - Student Reviews

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    Date Posted: May 3, 2018
    Review by: James Holland
    Courses Completed: Calculus I, Calculus II
    Review: I needed to finish the Business Calculus course very very very fast before my MBA degree at Wharton started. With the AWESOME help of Diane, I finished the course in about 3 weeks, allowing me to start Wharton on time. Thanks Diane!
    Transferred Credits to: Wharton School of Business, University of Pennsylvania



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    Date Posted: Jan 13, 2020
    Review by: Daniel Marasco
    Courses Completed: Multivariable Calculus
    Review: This course was more affordable than many, and the flexible format was terrific for me, as I am inclined to work very diligently on tasks on my own. It could be dangerous for a person who requires external discipline more, but it works well for self-starters, allowing you to prioritize when you have other pressing work. I was a full time teacher adding a math certification, and this course allowed me to master the math while working around my teaching schedule and fitting work into moments here and there when I had time. I was able to transfer the credits to Montana State University, Bozeman for my teaching internship program without a hitch. The instructors were all very helpful and patient, even when I failed to see a ridiculously simple solution on one problem after 20 emails back and forth. Overall, I was more pleased with my experience in this class than I was with any of my other 9 courses.
    Transferred Credits to: Montana State University, Bozeman



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    Date Posted: Feb 19, 2020
    Review by: Rebecca Johnson
    Courses Completed: Applied Calculus
    Review: I took the Business Calculus course from Distance Calculus in 2013. I was admitted to my MBA program, but then they told me I needed to take Calculus before starting the program. I finished the Business Calculus course in about 3 weeks in August before my program started. Not the most fun thing to do over the summer, but at least I got it done. Thanks Diane and Distance Calculus team!
    Transferred Credits to: Kellogg MBA Program