39. the line is drawn on the grid in the answer space.
(a) write down the equation of the line
(b) on the grid,
(0) draw and label the lines x = 1, y = 3 and x + y = 2
(1) shade the region which satisfies the three inequalities
21. y s3 and + y 2
40. in the diagram. a is the point (6.3) and c is
the point (-8.-4).
the equation of ab is y=3 and the equation
of cb is y=x+4.
(a) find the coordinates of b.
(b) the unshaded region r inside triangle abc
is defined by three inequalities.
one of these is v< x+4. write down the other two inequalities.