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a) Complete the table below for y = x3 + 2x2 - 5x - 4 b) On the grid provided, draw the graph of y =...

      

a) Complete the table below for y = x3 + 2x2 - 5x - 4
fig40201120191418.png
b) On the grid provided, draw the graph of y = x3 + 2x2 - 5x - 4 for -4 ≤ x ≤3. Use 2cm to represent 1 unit on the x axis and 1cm to represent 5 units on the y axis
c) i) Use the equation to solve the equation x3 + 2x2 - 5x - 4 = 0
ii) By drawing a suitable straight line on the graph, solve the equation x3 + 2x2 - 2x - 10 = 0

  

Answers


Kavungya
fig41201120191420.png
Kavungya answered the question on November 20, 2019 at 11:21


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