Quadratic Equations – The Sequel 1 Quadratic Formula 2 Discriminants 3 Using the Quadratic Formula
Quadratic Formula Steps Get the equation in the quadratic form ax2+bx+c=0 Write the quadratic formula Substitute for a, b, and c Solve
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The Song
Discriminants of a Quadratic Equation The number found via b2-4ac under the radical sign is called the discriminant
Using the Quadratic Formula Solve 9x2 – 30x + 25 = 0
Using the Quadratic Equation…Again Solve 2x(3 – x) = 3 Beware! Do NOT try to solve this using the zero factor rule!!!
Using the Quadratic Formula on Word Problems www.themegallery.com
Using the Quadratic Formula on Word Problems (Cont.) www.themegallery.com