Identifying Slopes as Parallel, Perpendicular, or Neither

Are the lines parallel, perpendicular, or neither?
y = 3x – 7
y = 3x + 1

• Parallel

• Perpendicular 

• Neither

Determine if the line segments are parallel, perpendicular, or neither.

• Parallel

• Perpendicular

• Neither

Determine if the line segments are parallel, perpendicular, or neither.

• Parallel

• Perpendicular

• Neither

Determine if the line segments are parallel, perpendicular, or neither.

• Parallel

• Perpendicular

• Neither

Are the slopes below parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Choose the best answer to fill in the blanks. Parallel lines always have the ​ (a)   slope. Perpendicular lines have slopes that are ​ (b)   . The product of perpendicular slopes always equals ​ (c)  

• same

• negative reciprocals

• -1

• reciprocals

• 1

• different

If two lines had slopes of m=2/3 and m=2/3, the lines would be...

• parallel

• perpendicular

• not parallel nor perpendicular

Use the image to check your work for the previous question.

• I checked my work and I understand my mistake

• I checked my work and I do not understand my mistake

• I got the last question correct

• I did not check my work