TESTS LINES all forms

The yellow lines on this compass rose are best described as (a)   .

• perpendicular lines
• parallel lines
• interesting lines
• interurban lines

The highway lanes are an example (a)  

• perpendicular lines
• parallel lines
• intersecting lines
• number lines

What is the slope of this line?

Mathematical Equivalence

ON

The slopes of parallel lines are (a)  

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Slopes of perpendicular lines are... (a)  

• opposite and reciprocal.
• negative and reciprocal
• inverted and unusual

Mathematical Equivalence

ON

• Parallel

• Perpendicular 

• Neither

What is the equation of this line? (a)  

• y = 2x
• x = 2
• y = 2
• y = -2