Find the x co-ordinates of the points of intersection of ...
Find the x co-ordinates of the points of intersection of the two equations in the graph
1, 1
0, 4
0,0
4, 0
4, 9
Correct answer is D
If y = 2x + 1 and y = x2 - 2x + 1
then x2 - 2x + 1 = 2x + 1
x2 - 4x = 0
x(x - 4) = 0
x = 0 or 4
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