Graphing Quadratics in Vertex Form

Front

What are the green dots called?

Back

roots or x-intercepts

Front

What is the green dashed line called?

Back

axis of symmetry

Front

When y = x^2 is changed to y = x^2 - 3, the graph:

Back

Shifts down 3 units.

Front

y = ax^2 + bx + c is:

Back

a quadratic equation in standard form.

Front

The graph of a quadratic function is called a:

Back

Parabola.

Front

What is the vertex of a parabola?

Back

The highest or lowest point of the graph.

Front

What does the 'a' in vertex form y = a(x - h)^2 + k represent?

Back

The direction and width of the parabola.

Front

What is the vertex form of a quadratic equation?

Back

y = a(x - h)^2 + k.

Front

How does changing 'h' in vertex form affect the graph?

Back

It shifts the graph left or right.

Front

How does changing 'k' in vertex form affect the graph?

Back

It shifts the graph up or down.