Warm-up / Quadratics

Front

What is the vertex of a quadratic function?

Back

The vertex is the highest or lowest point of the parabola, depending on its orientation. For the function in the example, the vertex is (2,1).

Front

What is the domain of any parabola?

Back

The domain of any parabola is all real numbers.

Front

Back

The range of the quadratic function is all values of y that are greater than or equal to 1.

Front

When describing intervals of increase or decrease in a quadratic function, what do you need to use?

Back

You need to use X-values only.

Front

Back

Front

What is a quadratic function?

Back

Front

What does the 'a' value in a quadratic function determine?

Back

The 'a' value determines the direction of the parabola: if 'a' is positive, the parabola opens upwards; if 'a' is negative, it opens downwards.

Front

How do you find the x-coordinate of the vertex of a quadratic function?

Back

Front

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

Back

Front

What is the standard form of a quadratic function?

Back