JohnDoe3920 JohnDoe3920
  • 01-01-2018
  • Mathematics
contestada

How to determine how many times a function will cross the x axis?

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kritter1
kritter1 kritter1
  • 01-01-2018
Usually a good indicator of how many solutions or zeros a function has is through the highest degree of the equation. A quadratic equation (usually) has 2 roots and that defines the number of times it might cross the x axis. The higher the degree, the more times the function should cross. It is however, possible for some of the zeros to be a complex solution. 

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