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Math 105 (Sheet 4) Almajmaah Engineering College King Saud University Math 105 1430/2009 --------------------------------------------------------------------------------------------------------------------------------------- Sheet (4) This is a home work and has to be submitted by email not after April 16,2009 1. Find the slope of the straight line that passes with the two points a. (2,3) and (4,8) b. (4,1) and (8,2) c. (-4,2) and (3,0) d. (3,0) and (0,5) 2. Find the equation of each of the following lines and write your answer in the form of Ax + By + C = 0 a. Passes with the point (2,3) and its slope equal 4 b. Passes with the two points (2,3) and (4,8) c. Cuts part of Y axis equal 4 and its slope equal -2 d. Cuts part of Y axis equal 5 and its slope equal 0 3. Find the slope and the point of intersection with the Y axis for each of the straight-line in the following cases: a. 3y = 2x - 4 b. 2y = 5x +2 c. 2x + 3 y = 6 d. 4x + 5y = -20 4. Does the point (3,9) lie above or under the line y = 3x -1? 5. Write the equation of the straight line that passes with the point (0 , -4) and perpendicular to the line y + 2 = - 0.5 (x -1). 1