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Find the x co-ordinates of the points of intersection of the two equations in the…

Find the x co-ordinates of the points of intersection of the two equations in the graph
  • A.
    1, 1
  • B.
    0, 4
  • C.
    0,0
  • D.
    4, 0
  • E.
    4, 9
Correct Answer: Option D
Explanation

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