Find the Vertex of the Graph of the Quadratic Function $f ( x ) = - 3 x ^ { 2 } + 30 x - 79$

question 196

Multiple Choice

Find the vertex of the graph of the quadratic function. Find any intercepts and graph the function.
- $f ( x ) = - 3 x ^ { 2 } + 30 x - 79$

• A) Vertex: \(( 5 , - 4 )\); \(x\)-intercepts: none; y-intercept: \(( 0 , - 79 )\)
• B) Vertex \(( - 5 , - 4 )\); \(x\)-intercepts: none; \(y\)-intercept \(( 0 , - 79 )\)
• C) Vertex \(( - 5 , - 4 )\); x-intercepts: none; y-intercept\(\left( 0, - \frac { 37 } { 3 } \right)\);
• D) Vertex \(( 5 , - 4 )\); \(\mathrm { x }\)-intercepts: none; \(\mathrm { y }\)-intercept: \(\left( 0 , - \frac { 37 } { 3 } \right)\)

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