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(To find the trace using substitution) Substitute the equation for each coordinate plane (z=0, x=0, or...

(To find the trace using substitution) Substitute the equation for each coordinate plane (z=0, x=0, or y=0 one at at time) into the quadric surface equation. Simplify the equation and write it in standard form.

  1. z=4x^2+3y^2
  2. z=4x^2−y^2
  3. 4x^2+y^2−z^2=0

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