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5 votes
Line a passes through points (6, 10) and (1, 1). Line b is perpendicular to a. What is the slope of line b?

2 Answers

0 votes

Answer:

Slope of line b: -5/9

Explanation:

(6,10) and (1,1)

m = (10-1)/(6-1)

m = 9/5

User Jon Gilkison
by
8.2k points
5 votes

Answer:

-5/9

Explanation:

Slope of line a is,

m = (1-10) / (1-6)

= (-9) / (-5)

= 9/5

Slope of line b is -1/m

-1/m = -1 / (9/5) = -5/9

User Liran Barniv
by
8.7k points

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