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Conics Sections
• A conic section is a curve formed by the intersection of a plane and a double cone. By changing the inclination of the plane, you can create a circle, a parabola, an ellipse, or a hyperbola.
Quick Review: Domain & Range
• What is domain and what is range?
• How are the related to x and y in an equation?
Example 1: Graphing a Circle
• Graph the equation Describe the graph and its lines of symmetry. Then find the domain and range.
Example 1: Graphing a Circle
• How could we graph this using our calculators?
• How would we have to manipulate the equation?
• Why is there no point on the graph with an x-coordinate of 6?
Student Check:
• Graph the Equation . Describe the graph and the lines of symmetry. Find the domain and range.
• Use your white boards.
Student Check:
• What is the shape of your graph?
• How would we manipulate the equation so that we could graph it in the calculator?
Interpreting Graphs
• Identify the center and intercepts of the conic section. Then identify the domain and range.
Student Check:
• Identify the center and intercepts of the conic section. Then identify the domain and range.
Partner Practice:
• Pair up with your partner to complete the problem set.
• Only complete the problems that have been circled.
• You will have 15 minutes to complete.
Partner Practice:
Group 1: Justin & Tristan
Group 2: Harley & Andrea
Group 3: Kelly & Jessica
Group 4: Taylor & Brando
Group 5: Samantha & Trevor