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Mathematics
8th
grade
Parallel and Perpendicular Lines and Their Slopes
20 questions
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- 1. Multiple Choice
Which two lines are parallel?
- 2. Multiple Choice
Which two lines are parallel?
- 3. Multiple Choice
Which two lines are perpendicular?
- 4. Multiple Choice
What do we call lines that cross?
Parallel
Perpendicular
Intersecting
- 5. Open Ended
Will these lines ever intersect? How do you know?
- 6. Multiple Choice
What do we call lines that intersect and form 90 degree angles?
Parallel
Perpendicular
Intersecting
- 7. Multiple ChoiceSlopes of parallel lines are...opposite reciprocals.opposites.the same.always 7.
- 8. Multiple ChoiceSlopes of perpendicular lines are...opposite reciprocals.opposites.the same.always 7.
- 9. Multiple Choicey = -2/3x + 2
y = 3/2x + 9
These lines are...ParallelPerpendicularNeither - 10. Multiple ChoiceWhat slope is perpendicular to:
m = 5/8-5/85/8-8/58/5 - 11. Multiple Choicey = 6x + 2
y = -6x + 2
These lines are...ParallelPerpendicularNeither - 12. Multiple Choice
Line 1: (15, 20), (17, 18)
Line 2: (-22, -18), (-20, -16)
The two lines are _____________________.
Parallel
Perpendicular
Neither
- 13. Multiple Choicey = 3x +2
y = 3x - 3
These lines are...ParallelPerpendicularNeitherThe same line - 14. Match
Match the following Parallel lines
Perpendicular lines
Intersecting lines
- 15. Multiple Choice
If the lines are parallel to each other and the slope of the blue line is 1/4, what is the slope of the purple line?
4
-4
- 16. Multiple Choice
2
-2
- 17. Multiple Choice
Are Line WX and line YZ parallel, perpendicular, or neither if:
slope of WX = 1/2
slope of YZ = -1/2
parallel
perpendicular
neither
- 18. Multiple Choice
Parallel lines have _________________ slope.
The Same
Opposite Reciprocal
- 19. Multiple Choice
Perpendicular lines have _________________ slope.
The Same
Opposite Reciprocal
- 20. Multiple ChoiceWhat slope is perpendicular to:
m = 5/8-5/85/8-8/58/5 - Answer choicesTagsAnswer choicesTags