Math Problem Statement

Translate the graph of y = |x| to make it the graph of y = |x + 4| - 2.

Solution

The problem asks to translate the graph of y=xy = |x| to make it the graph of y=x+42y = |x + 4| - 2.

To break this down:

  1. Horizontal Shift: The term x+4|x + 4| indicates a horizontal translation of the graph. The +4+4 inside the absolute value causes a shift 4 units to the left.

  2. Vertical Shift: The term 2-2 outside the absolute value moves the entire graph 2 units down.

Thus, the transformation to go from the graph of y=xy = |x| to the graph of y=x+42y = |x + 4| - 2 involves:

  • Shifting the graph 4 units to the left.
  • Shifting the graph 2 units downward.

Would you like a detailed step-by-step process on how to graph this transformation, or is there anything else you'd like to clarify?


Here are 5 related questions:

  1. What effect does a constant inside the absolute value have on the graph's horizontal translation?
  2. How does a constant outside the absolute value affect the vertical shift?
  3. What is the vertex of the translated graph y=x+42y = |x + 4| - 2?
  4. How would the graph change if it was y=x4+2y = |x - 4| + 2 instead?
  5. How do transformations affect the symmetry of absolute value graphs?

Tip: Always apply horizontal transformations before vertical ones when graphing functions.

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Math Problem Analysis

Mathematical Concepts

Algebra
Graph Transformations
Absolute Value Functions

Formulas

y = |x|
y = |x + h| + k (transformation formula for absolute value)

Theorems

Horizontal translations shift the graph by h units left or right.
Vertical translations shift the graph by k units up or down.

Suitable Grade Level

Grades 8-10