College Algebra Proofs

Share this page to Google Classroom

A series of free College Algebra Video Lessons from UMKC - The University of Missouri-Kansas City.

College Algebra Lecture 39 - THE X-Y FILES

FOR UNIT 0 [29 min.]

A Proof That square root 2 Is Irrational [6 min.]
A Proof That There Are The Same Number of Rational Numbers as Natural Numbers! [9 min.]
A Proof That There Are More Real Numbers Than Natural Numbers! [14 min.]

FOR UNIT 2 [17 min.]

Algebra For Science: Variation [17 min.]

FOR UNIT 4 [21 min.]

How Can You Find Rational Zeros (if any) of a Polynomial Function? [21 min.]

FOR UNIT 7 [19 min.]

A Proof That “e” Is Irrational [19 min.]

Check out our most popular games!

Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!

Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.

Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.

Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.

Penguin Solitaire
Penguin Solitaire is a fun game that aims to move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.