Write an equation for a cross section of the parabolic ear (used to hear sounds from a distance)shown in the picture. d = 2.25 inches
A) $x ^ { 2 } = 9 y$
B) $y ^ { 2 } = \frac { 1 } { 9 } x$
C) $x ^ { 2 } = 2.25 y$
D) $y ^ { 2 } = 2.25 x$
E) $y ^ { 2 } = 9 x$

Question

Write an equation for a cross section of the parabolic ear (used to hear sounds from a distance)shown in the picture.  ​ d = 2.25 inches
A) $x ^ { 2 } = 9 y$ 
B)​ $y ^ { 2 } = \frac { 1 } { 9 } x$ 
C)​ $x ^ { 2 } = 2.25 y$ 
D)​ $y ^ { 2 } = 2.25 x$ 
E) $y ^ { 2 } = 9 x$

Quizplus · Accepted Answer

The Answer of Write an equation for a cross section of the parabolic ear (used to hear sounds from a distance)shown in the picture.  ​ d = 2.25 inches
A) $x ^ { 2 } = 9 y$ 
B)​ $y ^ { 2 } = \frac { 1 } { 9 } x$ 
C)​ $x ^ { 2 } = 2.25 y$ 
D)​ $y ^ { 2 } = 2.25 x$ 
E) $y ^ { 2 } = 9 x$

Write an Equation for a Cross Section of the Parabolic x2=9yx ^ { 2 } = 9 yx2=9y

Write an Equation for a Cross Section of the Parabolic $x ^ { 2 } = 9 y$