Math Problem Statement

Para cada una de las gráficas siguientes, escoge la desigualdad que mejor represente la gráfica. Explica tu razonamiento.

Solution

The problem in the image asks to identify the inequality that best represents the given graphs.

a. Graph Analysis:

  • The arrow is pointing to the left, starting from -1 (open circle) and extending indefinitely towards negative infinity.
  • This represents values less than -1, but not including -1 because of the open circle.

Thus, the inequality that represents this graph is: x<1x < -1

b. Graph Analysis:

  • The arrow starts from -5 (closed circle) and extends indefinitely to the right, towards positive infinity.
  • This includes all values greater than or equal to -5, as indicated by the closed circle on -5.

Thus, the inequality that represents this graph is: x5x \geq -5


Would you like further clarification on these explanations? Here are five related questions to deepen your understanding:

  1. How would the graph change if we had x1x \leq -1 instead of x<1x < -1?
  2. What would the inequality look like if the second graph (b) had an open circle at -5?
  3. Can you graph the inequality 3<x4-3 < x \leq 4 and explain the reasoning behind it?
  4. How do you graph a compound inequality like x>2x > -2 and x3x \leq 3?
  5. How does the graph of x0x \neq 0 look, and how does it differ from x=0x = 0?

Tip: Remember that an open circle on the graph means the point is not included (strict inequality), while a closed circle means it is included (inclusive inequality).

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Math Problem Analysis

Mathematical Concepts

Inequalities
Graphical Representation of Inequalities

Formulas

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Theorems

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Suitable Grade Level

Grades 6-8