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Grade 8 Mathematics Module: “Determining the Dependent and Independent Variables and Finding the Domain and Range of a Function”

This Self-Learning Module (SLM) is prepared so that you, our dear learners, can continue your studies and learn while at home. Activities, questions, directions, exercises, and discussions are carefully stated for you to understand each lesson.

Each SLM is composed of different parts. Each part shall guide you step-by-step as you discover and understand the lesson prepared for you.

Pre-tests are provided to measure your prior knowledge on lessons in each SLM. This will tell you if you need to proceed on completing this module or if you need to ask your facilitator or your teacher’s assistance for better understanding of the lesson. At the end of each module, you need to answer the post-test to self-check your learning. Answer keys are provided for each activity and test. We trust that you will be honest in using these.

Please use this module with care. Do not put unnecessary marks on any part of this SLM. Use a separate sheet of paper in answering the exercises and tests. And read the instructions carefully before performing each task.

If you have any questions in using this SLM or any difficulty in answering the tasks in this module, do not hesitate to consult your teacher or facilitator.

In this module, you will learn how to identify the independent and dependent variables by examining real world scenarios. You will be able to relate these variables to domain and range of a function. And finally, you will determine the domain and range given the sets, mappings, graphs, and equations. The scope of this module enables you to use it in many different learning situations. The lesson is arranged to follow the standard sequence of the course. But the order in which you read them can be changed to correspond with the textbook you are now using.

This module contains lesson on:

  • Determining the Dependent and Independent Variables and Finding the Domain and Range of a Function.

After going through this module, you are expected to:

1. identify the independent and dependent variables;

2. identify the domain and range of a function expressed in words, function rule, symbol, table of values, ordered pairs and graph; and

3. relate the concept of domain and range to real-life situation.

Grade 8 Mathematics Quarter 2 Self-Learning Module: “Determining the Dependent and Independent Variables and Finding the Domain and Range of a Function”

math8_q2_mod6_Determining-the-Dependent-and-Independent-Variables-and-Finding-the-Domain-and-Range-of-a-Function_v3

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