Quadratic Key Features

Front

Define X-intercept

Back

Where the parabola touches or intersects the x-axis.

Tags

CCSS.HSF-IF.C.7A

Front

If a graph has a vertex of (2,6), what is the axis of symmetry?

Back

x=2.

Front

Define Y-intercept

Back

Where the parabola touches or intersects the y-axis.

Tags

CCSS.HSF-IF.C.7A

Front

Name the x-intercept(s) for the quadratic function with intercepts at (0, 0) and (4, 0).

Back

(0, 0) and (4, 0).

Tags

CCSS.HSF-IF.C.7A

Front

Does the quadratic have a maximum or minimum if it opens downwards?

Back

Maximum.

Tags

CCSS.HSF-IF.C.7A

Front

What is the vertex of a parabola?

Back

The highest or lowest point on the graph.

Front

What does the axis of symmetry represent in a quadratic function?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

How do you find the vertex of a quadratic function in standard form?

Back

Use the formula x = -b/(2a) to find the x-coordinate, then substitute back to find the y-coordinate.

Front

What is the standard form of a quadratic function?

Back

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

Front

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

Back

The direction of the parabola (upward if a > 0, downward if a < 0).

Tags

CCSS.HSF-IF.C.7A