132 -- 6:52 App 2.1 Solving Quadratic Equations 111 -- 5:45 App 2.3 Functions 222 -- 6:30 App 2.2 Completing the Square 20 -- 3:55 App 5.3 Parallel and Perpendicular Lines 362 -- 9:59 App 4.4 Translating Graphs 19 -- 4:53 App 2.5 the Discriminant 18 -- 7:21 App 3....
Factorising quadratics 6x2 + x - 2 is in the form ax2 + bx + c So a = 6, b = 1, c = -2 You need to find 2 numbers which multiply to give ac (in this case -12) and add to give b (in this case +1) Now list the factors of ac 1 -12 -1 12 2 -6 -2 6 3 -4...