Quadratics Vocabulary

On a graph, the value of x at the point where the line crosses the x-axis. Represented on B by the points (-2, 0) and (2,0) and on A by the origin.

• x-intercepts

• y-intercepts

• vertex

• axis of symmetry

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

The graph of a quadratic function is called a

• line

• parabola

• half oval

• vertex form

If the vertex of this graph is (2, -1), what is the axis of symmetry?

• x= -1

• x = 2

• y = -1

• x = -2

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola

• A point on the y-axis.

What is the name of this form:
y = a(x - h)² + k

• vertex form

• standard form

• factored form

• zero form

What is the name of this form:
y = ax² + bx + c

• vertex form

• standard form

• factored form

• zero form

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up

• (-1, 4); opens down

• (1, 4); opens up

• (1, 4); opens down