![Parallel and Perpendicular Lines](/images/new-backgrounds/123571/12357113x1.webp)
Parallel and Perpendicular Lines
Parallel and perpendicular lines can be drawn by changing the slope of the linear equation and the y intercept. A linear equation of y in terms of x can be expressed by the slope- intercept form y = mx + b, where m is the slope and b is the
Parallel lines have an equal slope with different
Example
Graph parallel lines and perpendicular lines.
1. Graph the equations y = 3x + 1 and y = 3x + 2.
2. Graph the equations y = 3x - 1 and y = - 31 x + 1.
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Enter the equations y = 3x + 1 for Y1 and y = 3x + 2 for Y2.
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View the graphs.
GRAPH
Enter the equations y = 3x - 1 for Y1 and y = - 31 x + 1 for Y2.
Y= CL
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+ 1
These lines have an equal slope but different