Find the Vertex,focus,and Directrix of the Parabola $y ^ { 2 } = - 3 x$

question 115

Multiple Choice

Find the vertex,focus,and directrix of the parabola.​ $y ^ { 2 } = - 3 x$ ​

• A)Vertex: (0,0);Focus: \(\left( - \frac { 3 } { 4 } , 0 \right)\) ;Directrix: \(x = - \frac { 3 } { 4 }\)
• B)Vertex: (0,0);Focus: \(\left( - \frac { 1 } { 3 } , 0 \right)\) ;Directrix: \(x = \frac { 1 } { 3 }\)
• C)Vertex: (0,0);Focus: \(\left( \frac { 1 } { 3 } , 0 \right)\) ;Directrix: \(x = \frac { 1 } { 3 }\)
• D)Vertex: (0,0);Focus: \(\left( \frac { 3 } { 4 } , 0 \right)\) ;Directrix: \(x = - \frac { 3 } { 4 }\)
• E)Vertex: (0,0);Focus: \(\left( - \frac { 3 } { 4 } , 0 \right)\) ;Directrix: \(x = \frac { 3 } { 4 }\)

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Definitions:

Compounds

Compounds are chemical substances made up of two or more different chemical elements, bonded together in a fixed proportion by chemical bonds.

Transition State

A high-energy, intermediate state of the reactants during a chemical reaction that leads to the formation of products.

Solvolysis

The chemical process of breaking bonds in a compound by reaction with a solvent.

Stereochemistry

The study of the spatial arrangement of atoms in molecules and its influence on the physical and chemical properties of substances.