SOLUTION: How do I determine which two equations represent parallel lines?
y = –5x + 1
y = 5x + 1
y = x + 1
y = –5x + 5
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Question 49023This question is from textbook Beginning Algebra
: How do I determine which two equations represent parallel lines?
y = –5x + 1
y = 5x + 1
y = x + 1
y = –5x + 5
This question is from textbook Beginning Algebra
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
How do I determine which two equations represent parallel lines?
y = –5x + 1.........I
y = 5x + 1 .........II
y = x + 1 ...........III
y = –5x + 5 .........IV
COEFFICIENTS OF Y AND X IN THE 2 EQNS MUST BE SAME OR IN PROPORTION.
I & IV HAVE SAME COEFFICIENTS...1 FOR Y AND -5 FOR X
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