Question: In triangle ABC, if the measure of angle A is 60° and the angle bisector of angle BAC intersects side BC at point D, what is the measure of angle BAD?
+
What is the vertex form of the quadratic function y = x^2 + 4x + 3?
+
What is the limit of x as it approaches 3 of the function (2x + 1)/(x - 1)?