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Solve literal equations for a specified variable.
Remarks
Example 1: Solve the following equation for h: A=bhExample 2: The following equation tells you how much simple interest you will earn if you invest an amount of money (P) at a specified rate (r), for a given amount of time (t): I = Prt. Solve for P.
General Information
Subject Area: X-Mathematics (former standards - 2008)
Grade: 8
Body of Knowledge: Algebra
Idea: Level 1: Recall
Supporting Idea: Algebra - Algebra
Date Adopted or Revised: 09/07
Content Complexity Rating:
Level 1: Recall
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More Information
Date of Last Rating: 06/07
Status: State Board Approved - Archived
Assessed: Yes
Test Item Specifications
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Item Type(s):
This benchmark may be assessed using:
MC
item(s)
- Clarification :
Students will solve literal equations. - Content Limits :
Items should contain no more than three variables and no more than three operations.
The stem must have an integral coefficient.
In items that contain equations, the equation should be linear.
Inequalities will not be assessed in this benchmark. - Stimulus Attributes :
Items should be set in a real-world context.
Sample Test Items (1)
- Test Item #: Sample Item 1
- Question: The equation below is used to find C, the total charge, in dollars, not including tax, for a purchase of company jackets (j) that have a specific design and color.
C = 20j + 100
Which of the following is the same equation solved for j in terms of C?
- Difficulty: N/A
- Type: MC: Multiple Choice
Related Access Points
Alternate version of this benchmark for students with significant cognitive disabilities.
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