68%
The graph of y = x2 - 4x is shown on the grid.
re
By drawing the line y = x - 4,
solve the equations y = x2 - 4x
y = x - 4
3
X = 1
, y =
-5
-4 -3
- 2
1
2
3
-1
or
-2-
X =
y =
-3
4