/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Free solutions & answers for Precalculus Chapter 9 - (Page 9) [step by step] | 91Ó°ÊÓ

91Ó°ÊÓ

Problem 18

Find the standard form of the equation of each parabola satisfying the given conditions. Focus: \(\quad(9,0) ;\) Directrix: \(\quad x=-9\)

Problem 18

In Exercises \(9-20,\) use point plotting to graph the plane curve described by the given parametric equations. Use arrows to show the orientation of the curve corresponding to increasing values of \(t\). $$x=t^{2}+1, y=t^{3}-1 ;-\infty < t < \infty$$

Problem 18

Use vertices and asymptotes to graph each hyperbola. Locate the foci and find the equations of the asymptotes. $$\frac{y^{2}}{25}-\frac{x^{2}}{64}=1$$

Problem 18

Graph each ellipse and locate the foci. $$6 x^{2}=30-5 y^{2}$$

Problem 19

In Exercises \(9-20,\) use point plotting to graph the plane curve described by the given parametric equations. Use arrows to show the orientation of the curve corresponding to increasing values of \(t\). $$x=2 t, y=|t-1| ;-\infty < t < \infty$$

Problem 19

Find the standard form of the equation of each parabola satisfying the given conditions. Focus: \((-5,0) ;\) Directrix: \(\quad x=5\)

Problem 19

Use vertices and asymptotes to graph each hyperbola. Locate the foci and find the equations of the asymptotes. $$4 y^{2}-x^{2}=1$$

Problem 20

Use vertices and asymptotes to graph each hyperbola. Locate the foci and find the equations of the asymptotes. $$9 y^{2}-x^{2}=1$$

Problem 20

In Exercises \(9-20,\) use point plotting to graph the plane curve described by the given parametric equations. Use arrows to show the orientation of the curve corresponding to increasing values of \(t\). $$x=|t+1|, y=t-2 ;-\infty < t < \infty$$

Problem 20

Find the standard form of the equation of each parabola satisfying the given conditions. Focus: \((-10,0) ;\) Directrix: \(\quad x=10\)

Access millions of textbook solutions in one place

  • Access over 3 million high quality textbook solutions
  • Access our popular flashcard, quiz, mock-exam and notes features
  • Access our smart AI features to upgrade your learning
Access millions of textbook solutions in one place

Recommended explanations on Math Textbooks