Review: Parabola Features and Factoring

Front

Quadratic equations take the shape of a _______ when graphed.

Back

parabola

Front

If 'a' is negative, does the parabola open up or down? Does it have a maximum or minimum?

Back

Down, Max

Front

What is the significance of the ordered pair (2, -4) to the graph?

Back

It is the vertex.

Front

Does the graph above have a maximum or minimum? What is its value?

Back

Minimum at y = -1.

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c.

Front

What does the 'a' value in a quadratic equation determine?

Back

The direction of the parabola (upward if positive, downward if negative).

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 for a parabola?

Back

x = -b/(2a).

Front

What are the x-intercepts of a parabola?

Back

The points where the graph crosses the x-axis.

Front

What is the y-intercept of a parabola?

Back

The point where the graph crosses the y-axis.