A line through with gradient intersects the curve at points and .
(a) Show the -coordinates of the intersections satisfy:
(b) Show that the line intersects at two distinct points for every real value of .
Practice IB Mathematics Analysis and Approaches (AA) Topic SL 2.1—equations of Straight Lines, Parallel and Perpendicular with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for SL 2.1—equations of Straight Lines, Parallel and Perpendicular and mirrors Paper 1, 2, 3 style where relevant.
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A line through with gradient intersects the curve at points and .
(a) Show the -coordinates of the intersections satisfy:
(b) Show that the line intersects at two distinct points for every real value of .
A line passes through with gradient . It meets the parabola at two points .
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A line through with gradient meets at . The distance .
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(c) Show that .
(d) Given that , find the possible values of
Let and be two points in the Cartesian plane.
(b) Find the coordinates of the midpoint of the line segment .
Consider the points , and . Let be the perpendicular bisector of the line segment .
(a) Find the equation of in the form , where are integers.
(b) Find the distance from to .
(a) the gradient of the line through points and .
(c) the equation of the line that is perpendicular to and passes through point .
(d) the distance between points and .
(c) Hence why does not lie on .