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- Sketching Graphs 1: 1st and 2nd derivatives
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- Position Velocity Speed Acceleration
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- Using Derivatives in Economics
- Intro to Integrals
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- Fundamental Theorem of Calculus (Part 1)
- Trapezoid Rule
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- TI nspire cx cas calculator tutorial 0
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- TI nspire cx cas calculator project 6
- Gate B/ACT/SAT Topics
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- Challenging ACT/SAT practice test 1
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- SAT Subject Test Level 2 Topics to know
- SAT Math Level 2 Practice Test A
- SAT Math Level 2 Practice Test B
- SAT Math Level 2 Practice Test C
- SAT Math Level 2 Practice Test D
- SAT Math Level 2 Practice Test E
- SAT Math Level 2 Practice Test F
- SAT 2 Hidden Message Puzzle
- Gate C/Math Places around the Virtual World
- Gate D/Webcomics
- Math Comics Archive (Fall 2011)
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- Spare Parts
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- About Us
- 2013 US Road Trip with Oscar the Dog
- 2013 US Road Trip with Oscar (Part II)
- 2014 US South Road Trip with Oscar
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Indirect Proofs and Reasoning
Math Comic #250 - "Bad Math Riddle" (9-2-16)
Instead of proving something is true, you can prove it indirectly by showing it cannot be false. Here are some strategies, steps, and examples of indirect proofs.
Click lower right to select panel.
Right click to view or save to desktop.
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Download Free Indirect Proofs .pdf file
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Connections
Taking the ACT or SAT? Looking to improve test performance? Check out 200 (more) SAT/ACT math questions and other test prep materials.
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Information
- Congruent Triangles
- Proof by Contradiction
- Paragraph proof
- equidistance theorem
- diagramless proof
