Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 4x

A. vertex: (- 2, - 4); 
x-intercepts: (0, 0) and (-4, 0); 
y-intercept: none

B. vertex: (- 2, - 4); 
x-intercepts: (0, 0) and (-4, 0); 
y-intercept: (0, 0)

C. vertex: (2, - 4); 
x-intercepts: (0, 0) and (4, 0); 
y-intercept: (0, 0)

D. vertex: (2, - 4); 
x-intercepts: (0, 0) and (4, 0); 
y-intercept: none


Answer: C

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