Algebra 1 Midterm Review

Front

What is a function?

Back

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

Front

What is not a function?

Back

A relation is not a function if at least one input (x-value) has more than one output (y-value).

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for a function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for a function.

Front

How do you determine if a mapping is a function?

Back

Use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.

Front

Convert 56% to a decimal.

Back

56% as a decimal is 0.56.

Front

Convert 5/4 to a decimal.

Back

5/4 as a decimal is 1.25.

Front

Convert 4/5 to a decimal.

Back

4/5 as a decimal is 0.8.

Front

What is the process to order numbers from least to greatest?

Back

Compare the numbers and arrange them starting from the smallest to the largest.

Front

What is the interval notation for the domain [-7, 5)?

Back

The interval notation indicates that -7 is included and 5 is not included in the domain.