QSE2 Review

Front

What is a quadratic equation?

Back

Front

What are the values of a, b, and c in the equation 4x^2 - 8x - 3 = 0?

Back

a = 4, b = -8, c = -3.

Front

What is the domain of a quadratic function?

Back

The domain of a quadratic function is all real numbers, represented as (-∞, ∞).

Front

What does the axis of symmetry represent in a quadratic graph?

Back

Front

How do you find the roots of a quadratic equation?

Back

Front

What is the vertex of a parabola?

Back

The vertex is the highest or lowest point of the parabola, located at the coordinates (h, k) where h = -b/(2a) and k = f(h).

Front

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

Back

Front

What does it mean for a function to be continuous?

Back

A function is continuous if there are no breaks, jumps, or holes in its graph, meaning it can be drawn without lifting the pencil.

Front

What is the range of a quadratic function?

Back

The range of a quadratic function depends on the direction of the parabola: if it opens upwards, the range is [k, ∞); if it opens downwards, the range is (-∞, k], where k is the y-coordinate of the vertex.

Front

What is the standard form of a quadratic function?

Back