Quadratic: Vertex and Axis of Symmetry

Front

What is the equation for the axis of symmetry in a quadratic function?

Back

x = -b/(2a)

Front

Find the axis of symmetry for f(x) = x² - 8x + 15.

Back

x = 4

Front

What is the green dashed line in a quadratic graph called?

Back

axis of symmetry

Front

What is the axis of symmetry?

Back

The dividing line for a parabola.

Front

The axis of symmetry line passes through which point?

Back

vertex

Front

What does the vertex of a parabola represent?

Back

The highest or lowest point of the parabola.

Front

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

Back

Use the formula (h, k) where h = -b/(2a) and k = f(h).

Front

What is the significance of the axis of symmetry in a quadratic function?

Back

It divides the parabola into two mirror-image halves.

Front

If a parabola opens upwards, what can be said about its vertex?

Back

The vertex is the minimum point.

Front

If a parabola opens downwards, what can be said about its vertex?

Back

The vertex is the maximum point.