Graphing Quadratics

Front

When a parabola opens 'down', the vertex is known as a __________.

Back

maximum

Front

What is the axis of symmetry?

Back

the dividing line for a parabola

Front

Back

b = 0

Front

What is the name of this form: y = ax^2 + bx + c?

Back

standard form

Front

What is the vertex of the parabola represented by the equation y = x^2 + 2x + 1?

Back

(-1, 0)

Front

What does the 'a' in the quadratic equation y = ax^2 + bx + c represent?

Back

The direction and width of the parabola.

Front

If 'a' is positive in the equation y = ax^2 + bx + c, what direction does the parabola open?

Back

Upward

Front

If 'a' is negative in the equation y = ax^2 + bx + c, what direction does the parabola open?

Back

Downward

Front

What is the formula to find the vertex of a parabola given by y = ax^2 + bx + c?

Back

Vertex: ( -b/(2a), f(-b/(2a)) )

Front

What is the y-intercept of the quadratic function y = ax^2 + bx + c?

Back

The point (0, c).