10.4 Rotation and Systems of Quadratic Equations
Quick Review
Quick Review Solutions
What you’ll learn about Second-Degree Equations in Two Variables Translating Axes versus Translating Graphs Rotation of Axes Discriminant Test … and why You will see ellipses, hyperbolas, and parabolas as members of the family of conic sections rather than as separate types of curves.
Translation-of-Axes Formulas
Example Translation Formula
Rotation-of-Axes Formulas
Rotation of Cartesian Coordinate Axes
Example Rotation of Axes
Coefficients for a Conic in a Rotated System
Angle of Rotation to Eliminate the Cross-Product Term
Discriminant Test
Conics and the Equation Ax 2 +Bxy+Cy 2 +Dx+Ey+F=0