Math Problem Statement

What transformations would you apply to the graph of y = x^2 to create the graph of the following relation? y = -x^2 + 9

Solution

To analyze the transformation from y=x2y = x^2 to y=x2+9y = -x^2 + 9, let's break it down step by step:

  1. Reflection Over the X-Axis:
    The transformation from y=x2y = x^2 to y=x2y = -x^2 involves reflecting the parabola over the x-axis. This changes the parabola from opening upwards to opening downwards.

  2. Vertical Shift:
    Adding +9+9 shifts the entire graph of y=x2y = -x^2 upward by 9 units.

Correct Answer:

Reflected Over the X-Axis & Shifted 9 Units Up

Would you like me to explain any part of this in more detail or explore related concepts?


Here are 5 related questions to deepen understanding:

  1. What is the effect of a vertical shift on the graph of a function?
  2. How do horizontal shifts differ from vertical shifts in transformations?
  3. How would the transformation look if x2+9-x^2 + 9 was shifted 9 units to the left instead?
  4. What would happen if the reflection over the x-axis was omitted from y=x2+9y = -x^2 + 9?
  5. How can you identify transformations by comparing equations of two graphs?

Tip: Always follow the order of operations (reflections, shifts, stretches/compressions) when identifying transformations!

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Math Problem Analysis

Mathematical Concepts

Graph Transformations
Quadratic Functions

Formulas

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

Theorems

Reflection and Vertical Shift Transformations

Suitable Grade Level

Grades 9-12