Parallel or Perpendicular?

Front

What are the characteristics of parallel lines?

Back

Parallel lines have identical slopes and never intersect.

Front

What are the characteristics of perpendicular lines?

Back

Perpendicular lines have slopes that are opposite reciprocals of each other.

Front

If the slope of one line is m, what is the slope of a line perpendicular to it?

Back

The slope of a line perpendicular to it is -1/m.

Front

What does the 'm' represent in the equation y = mx + b?

Back

'm' represents the slope of the line.

Front

What does the 'b' represent in the equation y = mx + b?

Back

'b' represents the y-intercept of the line.

Front

If two lines have slopes of 3 and -1/3, are they parallel, perpendicular, or neither?

Back

They are perpendicular because their slopes are opposite reciprocals.

Front

What is the slope of a line that is perpendicular to a line with a slope of 4?

Back

The slope is -1/4.

Front

If a line has a slope of 0, what type of line is it?

Back

It is a horizontal line.

Front

If a line has an undefined slope, what type of line is it?

Back

It is a vertical line.

Front

What is the slope of the line represented by the equation y = 2x + 5?

Back

The slope is 2.