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A line that includes the points (-6, 2) and (a, 1) has a slope of -1/9. What is the value of a? Please help!

A line that includes the points (-6, 2) and (a, 1) has a slope of -1/9. What is the value of a? Please help!
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A line that includes the points (-6, 2) and (a, 1) has a slope of -1/9. What is the value of a?

Please help!

asked
User Ravi Mittal
by
8.4k points

1 Answer

3 votes

Explanation:

(1 - 2)/(a + 6)= -1/9

-1/a + 6 = -1/9

-a - 6 = -9

-a = -3

a = 3

answered
User Roryrjb
by
7.4k points
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