Seudónimo Seudónimo
  • 10-05-2018
  • Mathematics
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how to solve x^2>4x+3

how to solve x2gt4x3 class=

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altavistard
altavistard altavistard
  • 11-05-2018
Treat this as you would the quadratic equation x^2 - 4x - 3 + 0.   Solve this by completing the square:

x^2 - 4x + 4 - 4 - 7 = 0

(x^2 - 4x + 4) = 11

    (x-2)^2 = 11, and so x-2 = plus or minus sqrt(11).

Graph this, using a dashed curve (not a solid curve).  Then shade the coordinate plane ABOVE the graph.
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