AF42694 AF42694
  • 14-06-2018
  • Mathematics
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If the point (x,-1) is on the unit circle, what is the value of x?

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Avvico33
Avvico33 Avvico33
  • 14-06-2018
A unit circle has its center at the origin and has a radius of one. It is modeled by the equation
x² + y² = 1

We are given with (x,-1) .
Solving for x
x² + (-1)² = 1
x = 0
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