Root of quadratic equation. 54_Day_1_Discriminant_Practice_Problems__Notespdf - Name 54 Day 1 Discriminant Using the Quadratic Formula solve for x 1 u22124 2 3 2 9 u22126 2 u2212. It is possible that some of these problems can also be solved by factoring but for right now we are practicing the quadratic formula.
Bb2 4ac 2a - b b 2 - 4 a c 2 a Substitute the values a 1 a 1 b 2 b 2 and c 3 c - 3 into the quadratic formula and solve for x x.
Each one has model problems worked out step by step practice problems as well as challenge questions at the sheets end. Solve the following questions for the indicated variable using the quadratic formula. The discriminant is 3 2 4 7 0 2 8 9 1 7 2 displaystyle 324cdot 70289172 3 2 4 7 0 2 8 9 1 7 2. We use these numbers in the equation and do some calculations.