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Envision Math 2.0: Grade 6, Volume 1 View details

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Exercise 3 Page 249

Which variable causes a change in the other variable?

Independent Variable: Money you have spent, s
Dependent Variable: Money you have left, m

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To identify which variable is independent and which is dependent, we need to analyze which variable causes a change in the other variable.

Independent Variable: Causes change in the dependent variable.
Dependent Variable: Changes because of the independent variable.

The more money you spend s, the less money you have left m. In other words, the amount of money you have left depends on the money you have spent. Therefore, the money you have spent is the independent variable and the money you have left is the dependent variable.

Subchapter links

Topic Essential Question p.245

Vocabulary Review p.245

Use Vocabulary in Writing p.245

1 Understand Equations and Solutions p.246

2 Apply Properties of Equality p.246

3-4 Write and Solve Addition, Subtraction, Multiplication, and Division Equations p.247

5 Write and Solve Equations with Rational Numbers p.247

6 Understand and Write Inequalities p.248

7 Solve Inequalities p.248

8 Understand Dependent and Independent Variables p.249

9 Use Patterns to Write and Solve Equations p.249

10 Relate Tables, Graphs, and Equations p.250

Exercise 3 Page 249

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