1.c.4 - 2014 Q4
Figure 1 shows a sketch of the curve C with equation:
The curve C crosses the x-axis at the point A.
A) State the x coordinate of the point A. (1)
A) State the x coordinate of the point A. (1)
The curve D has equation y = x2(x – 2), for all real values of x.
B) Copy figure 1 out and sketch a graph of curve D onto your copy. Show on the sketch the coordinates of each point where the curve D crosses the coordinate axes. (3) Note: this question is worded slightly different to the one in the exam (link to exam paper)
C) Using your sketch, state, giving a reason, the number of real solutions to the equation (1)
C) Using your sketch, state, giving a reason, the number of real solutions to the equation (1)