The points AAA, B B\,B and C C\,C have coordinates (−2,1)(-2, 1)(−2,1), (6,5)(6, 5)(6,5) and (8,1)(8, 1)(8,1) respectively.
a.
Show that AB AB\,AB is perpendicular to BCBCBC.
[3]
b.
Hence find the area of triangle ABCABCABC.
[3]
Markscheme
1.6.1 Equation of a straight line Questions
8 exam-style questions on AQA A Level Maths 1.6.1 Equation of a straight line. Each one has a worked solution and a mark scheme showing where the marks go.