Find the Coordinates of the Vertex and the Intercepts of the Quadratic

question 108

Multiple Choice

Find the coordinates of the vertex and the intercepts of the quadratic function. When necessary, approximate the
x-intercepts to the nearest tenth.
- $$f ( x ) = - 4 x ^ { 2 } - 2 x - 6$$

• A) V(4,-6); I(0, -6); no \(x\)-intercepts
• B) \(\mathrm { V } \left( - 4 , - \frac { 23 } { 4 } \right) ; \mathrm { I } ( 0,6 ) ; ( - 0.9,0 ) , ( 1.4,0 )\)
• C) \(\mathrm { V } \left( \frac { 1 } { 4 } , \frac { 23 } { 4 } \right) ; \mathrm { I } ( 0,6 ) ; ( - 1.4,0 ) , ( 0.9,0 )\)
• D) \(\mathrm { V } \left( - \frac { 1 } { 4 } , - \frac { 23 } { 4 } \right) ; \mathrm { I } ( 0 , - 6 )\); no \(x\)-intercepts

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