Key Features of Quadratic Functions

Front

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

Back

It is the vertex.

Tags

CCSS.HSF-IF.C.7A

Front

What is the vertex of a quadratic function?

Back

The vertex is the highest or lowest point on the graph.

Front

Define Zero in the context of quadratic functions.

Back

Where the parabola touches or intersects the x-axis, also called the x-intercept.

Tags

CCSS.HSF-IF.C.7A

Front

Define X-intercept.

Back

Where the parabola touches or intersects the x-axis.

Tags

CCSS.HSF-IF.C.7A

Front

What is the y-intercept of a quadratic function?

Back

Where the parabola touches or intersects the y-axis.

Tags

CCSS.HSF-IF.C.7A

Front

What is the axis of symmetry in a quadratic function?

Back

A line that divides the graph into two equal parts.

Front

What does it mean if the vertex is a maximum?

Back

The vertex is the highest point on the graph.

Tags

CCSS.HSF-IF.C.7A

Front

What does it mean if the vertex is a minimum?

Back

The vertex is the lowest point on the graph.

Tags

CCSS.HSF-IF.C.7A

Front

How can you find the x-intercepts of a quadratic function?

Back

By setting the quadratic equation to zero and solving for x.

Tags

CCSS.HSA-REI.B.4B

Front

What is the standard form of a quadratic function?

Back

f(x) = ax^2 + bx + c.