How to find the intersection between a line and a parabola is the second video in the Higher Maths Quadratics And Polynomials Unit. This video will teach you: How to use the discriminant to show that there is 0,1 or 2 points of intersection. How to show that a line is a tangent to a parabola. How to use simultaneous equations to find the point of intersection between a line and a parabola. Copyright © Scottish Qualifications Authority. Solutions all my own and not endorsed or produced by SQA.