1. An ordered pair (a, b) is a ________ of an equation in x and y when the substitutions x = a and y = b result in a true statement.
2. The set of all solution points of an equation is the ________ of the equation.
3. The points at which a graph intersects or touches an axis are the ________ of the graph.
4. A graph is symmetric with respect to the ________ if, whenever (x, y) is on the graph, (−x, y) is also on the graph.
5. The equation (x − h)2 + (y − k)2 = r2 is the standard form of the equation of a ________ with center ________ and radius ________.
6. When you construct and use a table to solve a problem, you are using a ________ approach.