11.1 Characteristics of Parabolas

Front

What is the green dashed line called?

Back

Axis of symmetry.

Front

If the vertex of a parabola is (3,5), what is the axis of symmetry?

Back

x=3.

Front

What is the axis of symmetry for the parabola with the equation y = (x+2)²?

Back

x=-2.

Front

The axis of symmetry is a line that goes through the...

Back

Vertex.

Front

What are the green dots called in a parabola?

Back

Roots or x-intercepts.

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph.

Front

How do you find the axis of symmetry from a quadratic equation in standard form?

Back

Use the formula x = -b/(2a).

Front

What does the vertex form of a parabola look like?

Back

y = a(x-h)² + k, where (h,k) is the vertex.

Front

What is the effect of 'a' in the vertex form of a parabola?

Back

It determines the direction and width of the parabola.

Front

What are the x-intercepts of a parabola?

Back

Points where the parabola crosses the x-axis.