Unit #1 TEST REVIEW

Front

What is an arithmetic sequence?

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the common difference in an arithmetic sequence?

Back

The common difference is the constant amount that each term increases or decreases by in an arithmetic sequence.

Front

How do you find the common difference of an arithmetic sequence?

Back

Subtract the first term from the second term (or any two consecutive terms).

Front

What is a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is a mapping diagram?

Back

A mapping diagram visually represents a function by showing how each input is paired with an output.

Front

What does it mean for a relation to be a function?

Back

A relation is a function if each input value corresponds to exactly one output value.

Front

What is the range of a function?

Back

The range is the set of all possible output values of a function.

Front

How do you determine the range from a set of ordered pairs?

Back

Identify all the unique output values (y-values) from the ordered pairs.

Front

What is a y-intercept?

Back

The y-intercept is the point where a graph intersects the y-axis, represented as (0, y).

Front

How do you find the y-intercept from a linear equation?

Back

Set x to 0 in the equation and solve for y.