Key Features of Quadratic Graphs

Front

Quadratic equations take the shape of a _______ when graphed.

Back

parabola

Front

What is the height of the ball at 1 second?

Back

4 feet

Front

When did the water reach its maximum height? Choose the key feature and the answer.

Back

x-value of vertex, 2 seconds

Front

What is the significance of the ordered pair (0, -2) to the graph?

Back

It is the y-intercept.

Front

What are the green dots called?

Back

roots/x-intercepts

Front

What is the vertex of a quadratic graph?

Back

The highest or lowest point on the graph.

Front

What does the y-intercept represent in a quadratic graph?

Back

The point where the graph crosses the y-axis.

Front

What is the axis of symmetry in a quadratic graph?

Back

A vertical line that divides the graph into two mirror images.

Front

What does the x-value of the vertex indicate?

Back

The time at which the maximum or minimum height occurs.

Front

What is the significance of the roots of a quadratic equation?

Back

They are the x-values where the graph intersects the x-axis.