A1 Final Review 3

Front

Back

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

How do you determine if two lines are parallel?

Back

Two lines are parallel if they have the same slope.

Front

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

Back

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

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

Back

Front

Back

Front

Back

Front

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

Back

Front

How can you tell if two lines are neither parallel nor perpendicular?

Back

If the slopes of the two lines are different and their product is not -1, they are neither parallel nor perpendicular.