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Algebra
Question

What are the vertex and \( x \) -intercepts of the...

What are the vertex and \( x \) -intercepts of the graph of the function below? 

\( y = x ^ { 2 } - 4 x - 21 \) 

A. Vertex: \( ( 2,17 ) ; \) Intercepts: \( x = 3 , - 7 \) 

B. Vertex: \( ( 2,17 ) ; \) Intercepts: \( x = - 3,7 \) 

C. Vertex: \( ( 2 , - 25 ) ; \) Intercepts: \( x = - 3,7 \) 

D. Vertex: \( ( 2 , - 25 ) ; \) Intercepts: \( x = 3 , - 7\) 

Answer

C

Solution
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