Question

Given the quadratic function y=3x² + 4x - 1

1. Complete the table below for values of x ranging - 4≤ x ≤3. (2 marks)

   X	-4	-3	-2	-1	0	1	2	3
   Y

2. Using the grid provided draw the graph of y = 3x2 + 4x —2 for -4≤ x ≤ 3  
3. Using the graph, find the solution to the equations.
   1. 3x2+4x-2=0 
   2. 3x2+7x+2=0 

Answer 1

1.  

   X	-4	-3	-2	-1	0	1	2	3
   Y	30	13	2	-3	-2	5	18	37

2.