Identify the characteristics of the parabola with the given equation below:

f, of, x, equals, minus, left parenthesis, x, minus, 1, right parenthesis, squaredf(x)=−(x−1)
2


Answer
Attempt 1 out of 3

What is the vertex?

Is the vertex a maximum point or a minimum point?

What is the axis of symmetry?

Domain:

Range:

1 answer

Let's analyze the given function:

\[ f(x) = -(x - 1)^2 \]

Characteristics of the Parabola:

  1. Vertex: The vertex of the parabola can be found from the equation in vertex form, which is \( f(x) = a(x - h)^2 + k \), where \( (h, k) \) is the vertex. For this equation, we can see that:

    • \( h = 1 \)
    • \( k = 0 \) Thus, the vertex is: \[ \text{Vertex} = (1, 0) \]
  2. Maximum or Minimum Point: The coefficient \( a \) (in front of the squared term) is negative (-1). This indicates that the parabola opens downward. Therefore, the vertex is a maximum point. Thus: \[ \text{Maximum Point} \]

  3. Axis of Symmetry: The axis of symmetry for a parabola in vertex form is given by the line \( x = h \). In this case: \[ \text{Axis of Symmetry} = x = 1 \]

  4. Domain: The domain of a parabola that opens downwards is all real numbers. Hence: \[ \text{Domain} = (-\infty, \infty) \]

  5. Range: Since the vertex is the maximum point at \( y = 0 \) and the parabola opens downward, the range includes all values less than or equal to 0. Thus: \[ \text{Range} = (-\infty, 0] \]

Summary:

  • Vertex: \( (1, 0) \)
  • Maximum Point: Yes, it is a maximum point.
  • Axis of Symmetry: \( x = 1 \)
  • Domain: \( (-\infty, \infty) \)
  • Range: \( (-\infty, 0] \)
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