Algebra I Exam Review

Front

What test can be used to determine if a graph represents a function?

Back

Vertical Line Test: If a vertical line intersects the graph at more than one point, it is not a function.

Front

What kind of slopes do parallel lines have?

Back

The same: Parallel lines have identical slopes.

Front

How do you find the domain of a function?

Back

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

Front

Back

Front

What is the definition of a function?

Back

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

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What is the range of a function?

Back

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

Front

How do you solve an absolute value equation?

Back

Set up two separate equations: one for the positive case and one for the negative case.

Front

What is the difference between independent and dependent variables?

Back

Independent variables are inputs (x), while dependent variables are outputs (y) that depend on the inputs.