parabola up down vertex Graph Quadratic Equations axis of symmetry

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Presentation transcript:

parabola up down vertex Graph Quadratic Equations axis of symmetry The graph of a quadratic equation y = ax2 + bx + c is a ______________. If a is positive  parabola opens _____ If a is negative  parabola opens _________ The highest or lowest point on the graph is called a _____________. The parabola is symmetrical about the vertical line through the vertex. It is called an _______________________. The vertex has an x-coordinate of Steps for graphing! Example #1 1) 2) 3) 4) 5) parabola up down vertex axis of symmetry Find the x-coordinate of the vertex Make a table using points to the left and right of the vertex Connect points (parabola). Label vertex and axis of symmetry. State the domain and range.

(D) State the domain and range. 2. 3. 4. Use the equation : Find the x-intercepts. Find the vertex. Sketch the graph. (D) State the domain and range.