Mathematics
Grade10
Easy

Question

The graph of f(x) = - 11x2 _________.

  1. Opens right side    
  2. Opens upward    
  3. Opens downward    
  4. Opens left side    

The correct answer is: Opens downward


    For a < 0, the parabola opens downward.
    f(x)= -11x2 is similar to the function f(x)= -ax2
    for every value of x the value of f(x) will be negative.
    Hence , y coordinate is always negative and therefore the graph opens downward.

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