Page 172 - Mathematics

28. Calculate the gradient and the equation of the line represented by the
following figure.

Tanzania Institute of Education

29. Sketch the graph of the straight line represented by 3x − 4y − 24 0.=

30. Draw the graph of a straight line represented by each of the following
equations.
(a) 14x + 7y = 25 (b) 3y = 4x − 12 (c) 15 3x= − 15y

31. Plot the graph of a straight line whose equation is 4x + + 6 0.=
y
32. Find x and y-intercepts of the straight line 3x − 2y + 10 0.=
33. Determine the gradient and the y-intercept in each of the following lines.

(a) 3x y−= 12

(b) 7x − 2y +=
30
+=
(c) ax by c+ y = 1 0
x
Mathematics Form One 34. Plot the points A(1, 1),− 1 0. and C (1, 3) on the xy-plane and join
(d) +
a
b
B(4, 1),−
the points by line segments.

35. Find the equation of a line through the point A(4, 3)−
having the same
slope as line x +
4y −=

166

25/10/2024 09:52:08
Mathematics form 1.indd 166
Mathematics form 1.indd 166 25/10/2024 09:52:08