Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find the value of
x
x
x
for which the points
(
x
,
−
1
)
(x, -1)
(
x
,
−
1
)
,
(
2
,
1
)
(2, 1)
(
2
,
1
)
and
(
4
,
5
)
(4, 5)
(
4
,
5
)
are collinear.
Browse the problem library