Quadratic Equations Video 1
Explaining the standard form for a quadratic equation and the possible number of solutions
Quadratic Equations Video 6
Author: John Fisk
This video explains how to solve quadratic equations using the quadratic formula and discusses the number of possible solutions. The video demonstrates the process by solving the following equations. You can try to solve the problems before watching the video and click "Reveal Answer" to see if you are correct.
Problem: Solve the following equations. How many real solutions did you find?
- \(2x^2-2x-11=0\)
- \(2x^2-4\sqrt{3}x+6=0\)
- \(x=\dfrac{2+\sqrt{92}}{4},\) \(x=\dfrac{2-\sqrt{92}}{4},\) Two unique real solutions
- \(x=\sqrt{3},\) One repeated real solution
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