Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 7: Solving Linear Equations; Lesson 4:Equations with Many Solutions or No Solution


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  • Question 14 (request help)

    Critique Reasoning

    Lisa says that the indicated angles cannot have the same measure. Marita disagrees and says she can prove that they can have the same measure. Who do you agree with? Justify your answer.

  • I agree with:   
  • Question 15 (request help)

    Represent Real-World Problems

    Adele opens an account with $100 and deposits $35 a month. Kent opens an account with $50 and also deposits $35 a month. Will they have the same amount in their accounts at any point? If so, in how many months and how much will be in each account? Explain.

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  H.O.T.  

  Focus on Higher Order Thinking  

  • Question 16 (request help)

    Communicate Mathematical Ideas

    Frank solved an equation and got the result x = x. Sarah solved the same equation and got 12 = 12. Frank says that one of them is incorrect because you cannot get different results for the same equation. What would you say to Frank? If both results are indeed correct, explain how this happened.

  • Frank is:   
  • Question 17 (request help)

    Critique Reasoning

    Matt said \(2\text{x} - 7 = 2(\text{x} - 7)\) has infinitely many solutions. Is he correct? Justify Matt’s answer or show how he is incorrect.

  • Matt is:   

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