Register
A line that includes the points (7,f) and (3,-5) has a slope of 3. What is the value of f?
184k views
3 votes
A line that includes the points (7,f) and (3,-5) has a slope of 3. What is the value of f?

User Alexandru Irimiea
by
7.2k points

1 Answer

2 votes
Slope: y change / x change

-5-f -5-f
----- = ------
3-7 -4

the numerator must be -12 because -4 x 3 = -12

what makes it -12?

-5-f=-12
-f=-7
f=-7

there you go!
User BrettFromLA
by
7.8k 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.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!