menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
What is the equation of the line, in slope-intercept form, that contains the points (−1, 2) and (2, −1)? y = −3x + 1 y = −x + 1 y = x + 1 y = −x + 3
Ask a Question
Questions
Unanswered
Tags
Ask a Question
What is the equation of the line, in slope-intercept form, that contains the points (−1, 2) and (2, −1)? y = −3x + 1 y = −x + 1 y = x + 1 y = −x + 3
asked
Jan 12, 2018
65.9k
views
0
votes
What is the equation of the line, in slope-intercept form, that contains the points (−1, 2) and (2, −1)?
y = −3x + 1
y = −x + 1
y = x + 1
y = −x + 3
Mathematics
high-school
Constantant
asked
by
Constantant
8.7k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
4
votes
(-1,2)(2,-1)
slope = (-1 - 2) / (2 - (-1) = -3/3 = -1
y = mx + b
slope(m) = -1
use either of ur points...(-1,2)...x = -1 and y = 2
sub and find b, the y int
2 = -1(-1) + b
2 = 1 + b
2 - 1 = b
1 = b
so ur equation is : y = -x + 1 <==
Carlos Cardenas
answered
Jan 18, 2018
by
Carlos Cardenas
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jan 6, 2024
9.0k
views
A line passes through (−1, 7) and (2, 10). Which answer is the equation of the line? A. −3x+y=4−3x+y=4 B. −3x+y=16−3x+y=16 C. −x+y=8−x+y=8 D. −x+y=12
Lye Fish
asked
Jan 6, 2024
by
Lye Fish
7.9k
points
Mathematics
high-school
1
answer
2
votes
9.0k
views
asked
Aug 13, 2017
51.3k
views
A line passes through (−1, 7) and (2, 10). which answer is the equation of the line? a. −x y=8−x y=8 b. −3x y=4−3x y=4 c. −3x y=16−3x y=16 d.−x y=12
Sitesbyjoe
asked
Aug 13, 2017
by
Sitesbyjoe
7.7k
points
Mathematics
high-school
1
answer
2
votes
51.3k
views
asked
Oct 1, 2017
146k
views
1. A line passes through (−1, 7)(−1, 7) and (2, 10)(2, 10). Which answer is the equation of the line? a: −3x+y=4−3x+y=4 b: −x+y=8−x+y=8 c: −x+y=12−x+y=12 d: −3x+y=16 2. There is 1 inch of water in a pool.
Timeout
asked
Oct 1, 2017
by
Timeout
8.6k
points
Mathematics
high-school
1
answer
5
votes
146k
views
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
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org