SC Geo - Vertex Form and Completing the Square

Front

What is the vertex form of a quadratic equation?

Back

Front

How do you find the vertex of a parabola given in vertex form?

Back

Front

What does completing the square mean in the context of quadratic equations?

Back

Front

Back

Front

What is the significance of the 'a' value in the vertex form of a quadratic equation?

Back

The 'a' value determines the direction and width of the parabola: if 'a' is positive, the parabola opens upwards; if negative, it opens downwards.

Front

How do you convert the standard form of a quadratic equation to vertex form?

Back

Front

Back

The y-coordinate of the vertex is -9.

Front

Back

The x-coordinate of the vertex is -5.

Front

Back

To complete the square, take half of -22 (which is -11), square it to get 121, so c = 121.

Front

What is the relationship between the vertex and the axis of symmetry of a parabola?

Back