writing equations of parallel and perpendicular lines

Front

What is the slope of a line that is perpendicular to the line represented by the equation y = 2x - 7?

Back

The slope of the perpendicular line is -1/2.

Front

Back

Front

How do you determine if two lines are parallel, perpendicular, or neither?

Back

Two lines are parallel if their slopes are equal, perpendicular if the product of their slopes is -1, and neither if neither condition is met.

Front

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

Back

Front

Write the equation of a line PARALLEL to y = 2x + 3 that passes through the point (3, 1).

Back

Front

What is the slope of a line that is parallel to the line represented by the equation y = -4x + 2?

Back

The slope of the parallel line is -4.

Front

If a line has a slope of 3, what is the slope of a line that is perpendicular to it?

Back

The slope of the perpendicular line is -1/3.

Front

What is the general form of the equation of a line?

Back

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The product of their slopes is -1.