(a) Complete the table given below for

      

(a) Complete the table given below for q212920191621.png
q21a2920191621.png

(b) On the grid provided draw the graph of y=x3- 4x2+x+6. Use a scale of 1cm to represent 2 units of the y-axis and 2cm to represent 1 unit on the x-axis.

(c) Use your graph to solve the equation. x3- 4x2 + x= - 6

(d) By drawing a suitable straight line on the same axis estimate the roots of the equation.
3x3-12x2-15x + 21 = 0

  

Answers


Wilfred
q21b2920191621.png
Wilfykil answered the question on September 2, 2019 at 13:29


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