Parallel & Perpendicular Lines Worksheet Page 2
ADVERTISEMENT
1
2
3
4Parallel lines have the ____________________ slope.
Perpendicular lines have slopes that are __________________ _________________ .
What would be
What would be
Check to see your
the slope of a line
the slope of a line
perpendicular line has an
parallel
perpendicular
opposite reciprocal.
to this one?
to this one?
(The product of the
slopes = -1.)
3
4
1
1
3
=
−
y
x
(3)(
− ) = -1
−
3
3
2
2
=
−
y
x
3
1
3
= −
+
y
x
4
= −
y
x
4
y =
2
x = −
4
4
−
= −
x
y
(*must rewrite in slope-int first!)
2
2
6
−
= −
x
y
(*must rewrite in slope-int first!)
Use the following equations to answer the questions below. Graph each line on the coordinate
plane to check.
1
A.
5
=
+
y
x
3
1
B.
3
= −
−
y
x
2
C. 9x + 3y = 12
D. –x + y = 5
E. 2x + 4y = -8
Which lines are parallel? _______________________ Why? _______________________
Which lines are perpendicular? ___________________ Why? ______________________
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education