a) A line perpendicular to a line with slope - has slope? 3. b) A line perpendicular to a line with undefined slope has slope ?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
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Chapter8: Linear Functions
Section8.5: Slope-intercept Form
Problem 28E
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12) Fill in the Blank
a) A line perpendicular to a line with slope - has slope ?
b) A line perpendicular to a line with undefined slope has slope ?
d speaker notes
Transcribed Image Text:12) Fill in the Blank a) A line perpendicular to a line with slope - has slope ? b) A line perpendicular to a line with undefined slope has slope ? d speaker notes
Expert Solution
Step 1

assume m1 and m2 be the slope of two lines

If two lines are perpendicular then m1m2=-1

if two lines are parallel then m1=m2

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