117k views
3 votes
Find the value of r so the line that passes through the pair of points has the given slope,

(2, r), (8, –4) m = –3

User Mariya
by
8.5k points

2 Answers

4 votes

Answer:r = 14

Explanation:

User Ndbd
by
9.0k points
2 votes

Answer:

r = 14

Explanation:

Slope =
(y_(2)-y_(1))/(x_(2)-x_(1))\\


(-4-r)/(8-2)= -3 \\\\(-4 - r)/(6) = - 3

Cross multiply,

-4 - r = -3*6

-4 - r = -18

-4 = - 18 + r

-4 + 18 = r

r = 14

User EdzJohnson
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories