(Alg.2) 4.2 (Flashcard) Quadratics in Standard Form.

Front

What is the formula for the axis of symmetry of a quadratic function?

Back

Front

How do you find the y-intercept of a quadratic function?

Back

Front

What does it mean if a parabola opens upward?

Back

Front

What does it mean if a parabola opens downward?

Back

Front

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

Back

Front

What is the standard form of a quadratic function?

Back

Front

What is the significance of the coefficient 'a' in a quadratic function?

Back

The coefficient 'a' determines the direction of the parabola (upward or downward) and its width.

Front

How can you graph a quadratic function?

Back

To graph a quadratic function, find the vertex, axis of symmetry, y-intercept, and plot additional points.

Front

What is the relationship between the roots and the vertex of a parabola?

Back

The vertex lies on the axis of symmetry, which is equidistant from the roots of the parabola.

Front

How do you find the roots of a quadratic equation?

Back