Discriminant of st. line & curve, Quadratics Lecture 07 Pure Mathematics 1 As Level

Further under standing of discriminant when a curve and a straight line is involved. Two distinct roots, repeated roots and no real roots. Further examples on how to to region test. #quadratics #aslevel #puremathematics1 #repeatedroots #twodistinctroots #norealroots #straightline #cueve #tuition #lecture #academy #discriminant