Algebra 1 Vocabulary

Front

What is the value of H(5) if H(x) = 2x + 8?

Back

18

Front

What is the equation of a line in slope-intercept form?

Back

y = mx + b

Front

What is a function?

Back

A set of ordered pairs in which the x-variables do not repeat.

Front

How do you find f(5) in a function f(x)?

Back

Replace the x variable with 5.

Front

What does an undefined slope indicate on a graph?

Back

It indicates a vertical line.

Front

What is the definition of slope in a linear equation?

Back

The ratio of the rise (change in y) to the run (change in x).

Front

What is the difference between a relation and a function?

Back

A relation can have repeated x-values, while a function cannot.

Front

What does the term 'domain' refer to in a function?

Back

The set of all possible input values (x-values).

Front

What does the term 'range' refer to in a function?

Back

The set of all possible output values (y-values).

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are integers.