A building has an entry the shape of a parabolic arch 46 ft high and 36 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.

A) $y ^ { 2 } = - 28.2 x$
B) $y ^ { 2 } = - 7 x$
C) $x ^ { 2 } = - 28.2 y$
D) $x ^ { 2 } = - 7 y$

Question

A building has an entry the shape of a parabolic arch 46 ft high and 36 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.

A) $y ^ { 2 } = - 28.2 x$ 
B) $y ^ { 2 } = - 7 x$ 
C) $x ^ { 2 } = - 28.2 y$ 
D) $x ^ { 2 } = - 7 y$

Quizplus · Accepted Answer

The Answer of A building has an entry the shape of a parabolic arch 46 ft high and 36 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.

A) $y ^ { 2 } = - 28.2 x$ 
B) $y ^ { 2 } = - 7 x$ 
C) $x ^ { 2 } = - 28.2 y$ 
D) $x ^ { 2 } = - 7 y$

A Building Has an Entry the Shape of a Parabolic y2=−28.2xy ^ { 2 } = - 28.2 xy2=−28.2x

A Building Has an Entry the Shape of a Parabolic $y ^ { 2 } = - 28.2 x$