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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
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What was the amount of the initial deposit that started this savings account?
Question 13
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Find the slope and y-intercept of the graphed line.
Question 14
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Write an equation in slope-intercept form for the activity in this savings account.
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Question 15
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Explain the meaning of the slope in this graph.
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H.O.T.
Focus on Higher Order Thinking
Question 16
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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
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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
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Draw Conclusions
Must m, in the equation \(\text{y} = \text{mx + b}\), always be a positive number? Explain.
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