Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A point on the parabola
y
2
=
18
x
y^2 = 18x
y
2
=
18
x
at which the ordinate increases at twice the rate of the abscissa is (A)
(
9
8
,
9
2
)
\left(\frac{9}{8}, \frac{9}{2}\right)
(
8
9
,
2
9
)
(B)
(
2
,
−
4
)
(2, -4)
(
2
,
−
4
)
(C)
(
−
9
8
,
9
2
)
\left(-\frac{9}{8}, \frac{9}{2}\right)
(
−
8
9
,
2
9
)
(D)
(
2
,
4
)
(2, 4)
(
2
,
4
)
Browse the problem library