Mathematics
Solve the following simultaneous equations, graphically :
2x - 3y + 2 = 4x + 1 = 3x - y + 2.
Related Questions
Solve graphically the simultaneous equations 3y = 5 - x, 2x = y + 3.
Use graph paper for this question. Take 2 cm = 1 unit on both axes.
(i) Draw the graphs of x + y + 3 = 0 and 3x - 2y + 4 = 0. Plot three points per line.
(ii) Write down the coordinates of the point of intersection of the lines.
(iii) Measure and record the distance of the point of intersection of the lines from the origin in cm.
Use graph paper for this question :
(i) Draw the graphs of 3x - y - 2 = 0 and 2x + y - 8 = 0. Take 1 cm = 1 unit on both axes and plot three points per line.
(ii) Write down the coordinates of the point of intersection and the area of the triangle formed by the lines and the x-axis.
Solve the following system of linear equations graphically :
2x - y - 4 = 0, x + y + 1 = 0.
Hence, find the area of the triangle formed by these lines and the y-axis.