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Which of the following lines has a slope of -1/2? a)x+2y=0 b)x-2y=0 c)-x+2y=0
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4 votes
Which of the following lines has a slope of -1/2?

a)x+2y=0
b)x-2y=0
c)-x+2y=0

User Sujit Baniya
by
7.6k points

2 Answers

5 votes
In all 3 cases, solve the equation for y.  Example:  3rd equation:  Add x to both sides, obtaining 2y = x.  Divide both sides by 2, obtaining y = (1/2)x.
User Toumash
by
8.3k points
3 votes
the answer is A) x + 2y = 0
move the X over : 2y = -x + 0
then divide both sides by 2
y = -1/2x + 0
User Nmkyuppie
by
8.3k points
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