Math Problem Statement

sketch the graph of each function and spec- ify all x- and y-intercepts. Y=(x-2)^2+1

Solution

To sketch the graph of the function Y=(x2)2+1Y = (x - 2)^2 + 1, let's go through the following steps:

1. Identify the basic shape of the function:

  • The given function Y=(x2)2+1Y = (x - 2)^2 + 1 is a quadratic function in the standard form of a parabola Y=a(xh)2+kY = a(x - h)^2 + k, where:
    • a=1a = 1 (indicating that the parabola opens upwards)
    • h=2h = 2 (shifts the parabola horizontally to the right by 2 units)
    • k=1k = 1 (shifts the parabola vertically upwards by 1 unit)

2. Vertex of the parabola:

  • The vertex of the parabola is at the point (h,k)(h, k).
  • So, the vertex here is (2,1)(2, 1).

3. X-intercepts:

  • To find the x-intercepts, set Y=0Y = 0 and solve for xx: 0=(x2)2+10 = (x - 2)^2 + 1 (x2)2=1(x - 2)^2 = -1 Since the square of a real number cannot be negative, there are no real x-intercepts for this function.

4. Y-intercept:

  • To find the y-intercept, set x=0x = 0 and solve for YY: Y=(02)2+1=4+1=5Y = (0 - 2)^2 + 1 = 4 + 1 = 5 So, the y-intercept is at the point (0,5)(0, 5).

5. Sketch the graph:

  • The graph is a parabola opening upwards with its vertex at (2,1)(2, 1).
  • The parabola does not intersect the x-axis (no x-intercepts).
  • It intersects the y-axis at (0,5)(0, 5).

Summary:

  • Vertex: (2,1)(2, 1)
  • X-intercepts: None
  • Y-intercept: (0,5)(0, 5)

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Math Problem Analysis

Mathematical Concepts

Quadratic Functions
Vertex Form
Intercepts

Formulas

Vertex form of a quadratic equation: Y = a(x - h)^2 + k

Theorems

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Suitable Grade Level

Grades 9-10