Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Which of the following expressions gives the slope of a straight line passing through two distinct points
(
x
1
,
y
1
)
(x_1,y_1)
(
x
1
,
y
1
)
and
(
x
2
,
y
2
)
(x_2,y_2)
(
x
2
,
y
2
)
, where
x
1
≠
x
2
x_1 \neq x_2
x
1
=
x
2
? a)
y
1
−
y
2
x
2
−
x
1
\dfrac{y_1-y_2}{x_2-x_1}
x
2
−
x
1
y
1
−
y
2
b)
x
2
−
x
1
y
2
−
y
1
\dfrac{x_2-x_1}{y_2-y_1}
y
2
−
y
1
x
2
−
x
1
c)
y
2
−
y
1
x
2
−
x
1
\dfrac{y_2-y_1}{x_2-x_1}
x
2
−
x
1
y
2
−
y
1
d)
y
1
+
y
2
x
1
+
x
2
\dfrac{y_1+y_2}{x_1+x_2}
x
1
+
x
2
y
1
+
y
2
Browse the problem library