Parallel and Perpendicular

What are parallel lines?

• Lines that have 1 intersection.

• Lines that overlap.

• Lines that never intersect.

• Lines that intersect to form right angles.

What are perpendicular lines?

• Lines that never intersect.

• Lines that intersect once.

• Lines that intersect and form right angles.

• Lines that overlap.

The slope of parallel lines are....?

• Different

• Equal

• Opposite Reciprocals

• Not Related

The slope of perpendicular lines is......?

• Equal

• Opposite Reciprocal

• Different

• Not Related

Are the following two equations parallel, perpendicular, or neither?

 $y=\frac{1}{2}x\ +\ 10$  

 $y\ =\ \frac{1}{2}x-2$  

• Parallel

• Perpendicular

• Neither

 Are the following two equations parallel, perpendicular, or neither?
 $y=\frac{2}{5}x+4$  
 $y=2x+5$  

• Parallel

• Perpendicular

• Neither

Are the following two equations parallel, perpendicular or neither?
 $y=-\frac{1}{4}x+1$ 

 $y=-\frac{1}{4}x-5$  

• Parallel

• Perpendicular

• Neither

 Are the following two equations parallel, perpendicular, or neither?
 $y=-\frac{2}{3}x+6$ 
 $y=\frac{3}{2}x+1$  

• Parallel

• Perpendicular

• Neither

Are the following two equations parallel, perpendicular, or neither?
 $y=3x-5$ 

 $y=-\frac{1}{3}x-4$  

• Parallel

• Perpendicular

• Neither

Which of the following equations is parallel to $y=-\frac{2}{3}x-2$ ?

•  $y=2x+2$  

•  $y=\frac{3}{2}x+3$  

•  $y=3x+7$  

•  $y=-\frac{2}{3}x-5$