Precalculus » A. Functions » A.2. Equations, Graphs, and Symmetry

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Determining Solution Points and Finding x-intercepts and y-intercepts

• Overview
• Determine if the point is a solution to the equation
• Finding intercepts using a graph
• Finding intercepts using an equation

Testing for and Using Symmetry

• Overview
• Testing for symmetry with respect to the x-axis
• Testing for symmetry with respect to the y-axis
• Testing for symmetry with respect to the origin
• Complete the sketch of the graph using symmetry

Equations of Circles

• Overview
• Write the equation of a circle given a center and radius
• Write the equation of a circle given a center and solution point
• Write the equation of a circle given two endpoints of a diameter