Domain and Range of Quadratics

Front

What is the domain of a quadratic function?

Back

The domain of a quadratic function is all real numbers.

Front

What does the range of a function represent?

Back

The range of a function represents all possible y-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Which equation represents a quadratic function?

Back

y = x² + 4 is a quadratic function.

Front

What variable does the domain of a function refer to?

Back

The domain refers to the variable X.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the domain of the function y = x² + 1?

Back

The domain is all real numbers.

Front

What is the range of the function y = x²?

Back

The range is y ≥ 0.

Front

How do you find the vertex of a quadratic function?

Back

The vertex can be found using the formula x = -b/(2a) for the function in the form y = ax² + bx + c.

Front

What is the standard form of a quadratic function?

Back

The standard form is y = ax² + bx + c.

Front

What is the effect of the 'a' value in a quadratic function?

Back

The 'a' value determines the direction of the parabola (upward if a > 0, downward if a < 0) and its width.

Front

What is a parabola?

Back

A parabola is the graph of a quadratic function.

Tags

CCSS.HSF-IF.C.7A