(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 are the coefficients A, B, and C in the standard form of a quadratic equation?

Back

Front

What is the vertex of a quadratic function?

Back

Front

How do you graph a quadratic function?

Back

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

Front

What does the value of A indicate in a quadratic function?

Back

The value of A indicates the direction of the parabola: if A > 0, it opens upwards; if A < 0, it opens downwards.

Front

What is the significance of the discriminant in a quadratic equation?

Back

Front

How do you convert a quadratic equation from standard form to vertex form?

Back

To convert to vertex form, complete the square on the quadratic expression.

Front

What is the standard form of a quadratic equation?

Back

Front

What is the formula to find the y-coordinate of the vertex?

Back