Line A has equation 2y = 3x + 8. Line B goes through the points (–1, 2) and (2, 8). Do lines A and B intersect? You must show all your working. (Total for Question 25 is 3 marks) [Nov 2012 NonCalc] 23. is a square. ABCD and are points on the P D y-axis. is a point on the A x-axis. is a straight line. PAB The equation of the line that passes through the points and is = + 6 A D y –2x Find the length of PD. ....................................................... (Total for Question 23 is 4 marks) [June 2013 Calc] 13. is the point (–1, 2) A is the point (7, 5) B (a) Find the coordinates of the midpoint of AB. (......................., .......................) (2)
Line A has equation 2y = 3x + 8. Line B goes through the points (–1, 2) and (2, 8). Do lines A and B intersect? You must show all your working. (Total for Question 25 is 3 marks) [Nov 2012 NonCalc] 23. ABCD is a square. P and D are points on the y-axis. A is a point on the x-axis. PAB is a straight line. The equation of the line that passes through the points A and D is y = –2x + 6 Find the length of PD. ....................................................... (Total for Question 23 is 4 marks) [June 2013 Calc] 13. A is the point (–1, 2) B is the point (7, 5) (a) Find the coordinates of the midpoint of AB. (......................., .......................) (2)
GCSERevision-StraightLineEquations.docx