Flashcard Review - 3.1-3.5 3.6 Three Forms - Parallel Perpendicular

Front

What is the x-intercept of the graph of 3x + 4y = 24?

Back

The x-intercept is 8.

Front

What do the slopes m = 7 and m = -7 indicate about the two lines?

Back

The lines are neither parallel nor perpendicular.

Front

Back

The lines are perpendicular.

Front

Back

The lines are perpendicular.

Front

What is the x-intercept for the equation 4x - 10y = 20?

Back

The x-intercept is 5 and the y-intercept is -2.

Front

Define parallel lines in terms of slope.

Back

Parallel lines have the same slope.

Front

Define perpendicular lines in terms of slope.

Back

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

Front

What is the slope of a line represented by the equation y = 2x + 3?

Back

The slope is 2.

Front

What is the slope of a line represented by the equation y = -rac{1}{3}x + 4?

Back

The slope is -rac{1}{3}.

Front

If two lines have slopes of 5 and -rac{1}{5}, what can be said about their relationship?

Back

The lines are perpendicular.