parallel and perpendicular

Slopes of parallel lines are...

• opposite reciprocals

• the same

• opposites

• always 7

Slopes of perpendicular lines are...

• opposite reciprocals

• the same

• opposite

• always 7

 $y=\frac{-2}{7}x+4$  and  $y=\frac{7}{2}x-3$  are parallel lines

• True

• False

If I am looking for a line parallel to $y=-3x-2$  which one of these equations could it be?

•  $y=-2x-1$  

•  $y=3x-4$  

•  $y=-3x+6$  

•  $y=-2x-3$  

 $y=3x+2$  and  $y=3x-3$  
These lines are...

• the same line

• perpendicular

• neither

• parallel

 $-6x+y=2$  and  $6x+y=2$  

• Parallel

• Perpendicular

• Neither

What is the slope of a line parallel to the line  $-2x+y=-7$  

• -2

• -1/2

• 1/2

• 2

Find the slope of a line perpendicular to the line below
y = ½x + 4

• 1/2
  

• -1/2

• 2

• -2

The following represents slopes of two lines.  Which answer choice describes the two lines?
m = 3/4 and m = 4/3

• Parallel

• Perpendicular

• Neither

Which line(s) are parallel to y=3x+1

• y= -3x -1

• y=-1/3+3

• y=3x

• None of them