Paper 1 Higher - Sample Assessment Q25 Answers
25) A(−2, 1), B(6, 5) and C(4, k) are the vertices of a right-angled triangle ABC.
Angle ABC is the right angle.
Find an equation of the line that passes through A and C.
Give your answer in the form ay + bx = c where a, b and c are integers
(5 marks)
Angle ABC is the right angle.
Find an equation of the line that passes through A and C.
Give your answer in the form ay + bx = c where a, b and c are integers
(5 marks)
Answers
Question |
Answer |
Notes |
25 |
3y – 4x = 11 |
P1 - process to start to solve problem eg. draw a diagram, find gradient of AB (0.5) P1 - process to use gradients eg. find gradient of BC (−2) P1 - Process to find y coordinate of C (9) P1 Process to find equation of AC A1 |