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If slope is zero for a quadratic function, the point indicates the maximum value of the function.Select one:TrueFalse

Question

If slope is zero for a quadratic function, the point indicates the maximum value of the function.

Select one:

  • True
  • False
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Solution

Analysis of the Statement

  1. Understanding Quadratic Functions: A quadratic function is generally written in the form f(x)=ax2+bx+c f(x) = ax^2 + bx + c . For such functions, the slope is represented by the derivative f(x)=2ax+b f'(x) = 2ax + b .

  2. Zero Slope Condition:

    • A zero slope condition (f(x)=0 f'(x) = 0 ) indicates that at that point, the function is neither increasing nor decreasing.
    • For a quadratic function, this condition corresponds to either the vertex of the parabola.
  3. Nature of the Quadratic:

    • If a<0 a < 0 , the parabola opens downwards, and the vertex represents a maximum point.
    • If a>0 a > 0 , the parabola opens upwards, and the vertex represents a minimum point.

Conclusion

  • The statement is True if the quadratic function opens downwards (i.e., a<0 a < 0 ), as the vertex would indicate the maximum value.
  • Therefore, the statement can be interpreted as true only under the condition that the parabola opens downwards.

Final Answer

True (only for quadratic functions that open downwards).

This problem has been solved

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