Quadratic Function Vocabulary

Front

The highest or lowest point on a quadratic is called the...

Back

Vertex

Front

A point on a graph that has the coordinates (0,___) is called a...

Back

y-intercept

Front

Which of these is true about the roots of a quadratic graph?

Back

Roots are where the graph crosses the x-axis.

Front

The domain of any parabola is all real numbers. True or False?

Back

True

Front

The graph of a quadratic function is called...

Back

a parabola

Front

What is the standard form of a quadratic function?

Back

f(x) = ax² + bx + c

Front

What does the 'a' in the quadratic function f(x) = ax² + bx + c determine?

Back

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

Front

What is the axis of symmetry in a quadratic function?

Back

The vertical line that divides the parabola into two mirror images, given by x = -b/(2a).

Front

What are the x-intercepts of a quadratic function?

Back

The points where the graph crosses the x-axis, also known as the roots.

Front

What is the vertex form of a quadratic function?

Back

f(x) = a(x-h)² + k, where (h,k) is the vertex.