Register

Find the value of r so that the line passes through (1,2) and (5,r) has a slope of -8

Find the value of r so that the line passes through (1,2) and (5,r) has a slope of -8
46.4k views
3 votes
Find the value of r so that the line passes through (1,2) and (5,r) has a slope of -8

User Ntownsend
by
8.2k points

1 Answer

1 vote
The answer is -30.

1. Plug in the points into the formula. m=y2-y1/x2-x1

2. Simplify

3. Multiply both sides by 4, you will get r-2=-32

4. Solve for r

5. You can double check to see if you got the same slope

Done!
User Dumbfingers
by
8.8k points
← Prev Question Next Question →

No related questions found

Ask a Question
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

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!