Algebra Vocabulary

Front

What is the range of a parabola that opens downwards?

Back

The range is all values of y that are less than the maximum y-value of the vertex.

Tags

CCSS.HSF-IF.C.7A

Front

What is the equation of a horizontal asymptote for an exponential function?

Back

The horizontal asymptote is a line that the graph approaches as x approaches positive or negative infinity.

Tags

CCSS.HSF-IF.C.7E

Front

What defines a function in terms of input and output?

Back

A function is a relation where each input (x-value) has exactly one output (y-value).

Tags

CCSS.8.F.A.1

Front

What does the domain of a function represent?

Back

The domain is the set of all possible x-values for which the function is defined.

Front

What is the slope of a line?

Back

The slope is the ratio of the rise (change in y) to the run (change in x) between two points on a line.

Tags

CCSS.8.EE.B.5

Front

What is a vertical line test?

Back

A method to determine if a relation is a function; if any vertical line intersects the graph more than once, it is not a function.

Front

What is the vertex of a parabola?

Back

The vertex is the highest or lowest point of the parabola, depending on its orientation.

Front

What is the difference between domain and range?

Back

Domain refers to all possible x-values, while range refers to all possible y-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does it mean for a function to be increasing?

Back

A function is increasing if, as x increases, y also increases.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does it mean for a function to be decreasing?

Back

A function is decreasing if, as x increases, y decreases.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2