Question

17 ONS AND INEQUALITIES 30. 7x – 2y = - 7 y 1 x

Answer 1

30. 7x – 2y = -7

2y = 7x + 7

y = (7x + 7) / 2

When x = -2 , y = (-14 + 7) / 2 = -7 / 2 = -3.5

So (-2 , -3.5) is a point on the graph.

When x = -1, y = (-7 + 7) / 2 = 0

So (-1 , 0) is a point on the graph.

У. 1 (-1;0), 1 х (-2, -3.5),

4 2 (-1,0) -4 -2 0 4 N -2 (+2, +3.5)