Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 5: Writing Linear Equations; Lesson 1: Writing Linear Equations from Situations and Graphs

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The graph shows the activity in a savings account.

  • Question 12 (request help)

    What was the amount of the initial deposit that started this savings account?

  • $    
  • Question 13 (request help)

    Find the slope and y-intercept of the graphed line.

  • Slope:   
  • Question 14 (request help)

    Write an equation in slope-intercept form for the activity in this savings account.

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  • Question 15 (request help)

    Explain the meaning of the slope in this graph.

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  Focus on Higher Order Thinking  

  • Question 16 (request help)

    Communicate Mathematical Ideas

    Explain how you decide which part of a problem will be represented by the variable x, and which part will be represented by the variable y in a graph of the situation.

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  • Question 17 (request help)

    Represent Real-World Problems

    Describe what would be true about the rate of change in a situation that could not be represented by a graphed line and an equation in the form \(\text{y} = \text{mx + b}\).

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  • Question 18 (request help)

    Draw Conclusions

    Must m, in the equation \(\text{y} = \text{mx + b}\), always be a positive number? Explain.

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