Bell Ringer
1. Put the equation into slope­intercept form
3x­4y=­16
Also, be sure to identify slope, y­intercept, and x­intercept
1
Write the equation of the line through
(­3,2) and (5,­6)
2
Write the equation of the line through
(­4,2) and (­5,­6)
3
What do parallel lines look like?
4
What do perpendicular lines look like?
5
Parallel Lines: Have the same slope
Perpendicular Lines: Have opposite (negative) reciprocal slope
6
Given the following slopes, identify the parallel and perpendicular slope
m=2
m=­3
m=1/4
m=­2/5
m=­4/3
7
Are the slopes parallel, perpendicular, or oblique
L1: (3,1) (4,3)
L2: (­3,5) (­1,4)
m1=2/3
m2=2/3
8
Are the lines parallel, perpendicular, or oblique
1. 3y=­2x+6
and
y=3/2 x ­4
2. 3x­4y=12
and
6x­8y=­24
3. y=­6x+3
and
y=­1/6 x+2
9