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Section 2.1.9 8th grade assignment CC3

Last updated over 5 years ago

5 questions

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Question 1

1.

2-74b Build the equation 2x – 5 = –1 + 5x + 2 using your tiles by placing 2x – 5 on the left side and
–1 + 5x + 2 on the right side. Then use your simplification skills to simplify this equation as much as possible so that x is alone on one side of the equation. Use the fact that both sides are equal to solve for x. Record your work.

Question 2

2.

2-75 Now apply the solving skill from problem 2-74 by building, simplifying, and solving the equation below for x. Record your work.

Question 3

3.

Write the equation represented in the diagram below. For the equation, simplify as much as possible and then solve for x. Be sure to record your work.

Question 4

4.

While solving homework last night, Richie came across the homework question that he thinks has no solution. Build the equation below and determine if it has a solution for x. If it has a solution, find it. If it does not have a solution, explain why not. Explore using the virtual tiles by following this link. 2-82a Student eTool(CPM)

Question 5

5.

While solving homework last night, Richie came across the homework question that he thinks has no solution. Build the equation below and determine if it has a solution for x. If it has a solution, find it. If it does not have a solution, explain why not. Explore using the virtual tiles by following this link. 2-82b Student eTool(CPM)