Решение квадратных уравнений методом разложения на множители

Connect the discriminant to a quadratic’s zeros and x-intercepts, then solve quadratic equations using factoring and the zero product property. This Intermediate Algebra (MAT121) lesson also explains set notation and how to write a quadratic function from its zeros and another point. 0:00 Why Are We Solving Quadratics? 5:28 The Discriminant 11:59 Connecting the Discriminant to Graphs 21:17 The Zero Product Property 27:14 Solving Quadratic Equations by Factoring 40:25 Writing Quadratic Equations From Zeros