Slope and Lines Flashcard

Front

What is a negative slope?

Back

A negative slope indicates that a line falls from left to right on a graph.

Front

What is an undefined slope?

Back

An undefined slope occurs in a vertical line, where the change in x is zero.

Front

Is the statement true or false? Slope is a constant rate of change.

Back

True

Front

Is the statement true or false? Parallel lines have the same slopes.

Back

True

Front

Is the statement true or false? Slope is the ratio of horizontal change (run) to vertical change (rise).

Back

False. Slope is the ratio of vertical change (rise) to horizontal change (run).

Front

What does a horizontal line represent in terms of slope?

Back

A horizontal line has a slope of 0.

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the slope of a line that rises from left to right?

Back

A line that rises from left to right has a positive slope.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are negative reciprocals of each other.