Math Problem Statement

Graph the following function: g(x) = (x - 10)^2

Solution

The function given in the image is:

g(x)=(x10)2g(x) = (x - 10)^2

This is a quadratic function in vertex form, where the general vertex form of a quadratic function is:

y=a(xh)2+ky = a(x - h)^2 + k

In this case:

  • h=10h = 10
  • k=0k = 0
  • a=1a = 1

Thus, the graph represents a parabola that opens upwards with its vertex at the point (10,0)(10, 0).

Key points of the graph:

  • Vertex: (10,0)(10, 0)
  • Axis of symmetry: x=10x = 10 (vertical line through the vertex)
  • Direction of opening: Since the coefficient of (x10)2(x - 10)^2 is positive, the parabola opens upwards.
  • Intercepts:
    • Y-intercept: Substitute x=0x = 0 into the equation g(0)=(010)2=100g(0) = (0 - 10)^2 = 100. So the y-intercept is (0,100)(0, 100).
    • X-intercept: Since the vertex is at (10,0)(10, 0), the x-intercept is (10,0)(10, 0).

To graph:

  1. Plot the vertex (10,0)(10, 0).
  2. Sketch a parabola that opens upwards from the vertex.
  3. The parabola will be symmetric about the line x=10x = 10.
  4. Include the point (0,100)(0, 100) as a guide for the shape of the graph.

Would you like further details on how to graph this manually or using a graphing tool?

Related Questions:

  1. What is the effect of changing the value of hh in the function (xh)2(x - h)^2?
  2. How does changing the value of aa affect the width and direction of the parabola?
  3. What are the steps to find the vertex of a quadratic function?
  4. How do you determine the axis of symmetry from a quadratic function?
  5. What is the significance of the y-intercept in a quadratic function?

Tip:

Always start by identifying the vertex and axis of symmetry when graphing quadratics in vertex form—it makes the graphing process much easier!

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Graphing Parabolas

Formulas

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

Theorems

Symmetry of a parabola
Vertex of a quadratic function

Suitable Grade Level

Grades 8-10