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Airida [17]
3 years ago
7

Which line will have no solution with the parabola y – x + 2 = x2?

Mathematics
2 answers:
kap26 [50]3 years ago
5 0
The line y = 2x - 3 will have no solution with the given parabora. All other lines gives a real solution except the line y = 2x - 3
prisoha [69]3 years ago
4 0

You can solve this question graphically.

First, plot all graphs of given functions:

  • y - x + 2 = x^2 \Rightarrow y=x^2+x-2 - red curve;
  • y = -3x -3 - blue line;
  • y = -2x -3 - green line;
  • y = 2x -3 - orange line;
  • y = 3x -3 - violet line.

Then see whether parabola and line have common points. Only orange line doesn't intersect red curve, this means that system

\left\{\begin {array} {l}y=x^2+x-2 \\y=2x-3\end{array}\right.

have  no solution.

Answer: correct choice is C.

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