Standard #: MA.912.A.3.3 (Archived Standard)


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Solve literal equations for a specified variable.


Remarks


Example 1: Solve the following equation for p: q=4p-11.

Example 2: Solve the following equation for c: ac=2b + 2c

Example 3: The area formula for a circle is: A = p r2. Solve for r.. Solve for .

Example 4: The following formula tells you how to convert degrees in Celsius to degrees in Fahrenheit:
F=(1.8 x C) +32
Write a formula that will tell how to convert degrees in Fahrenheit to degrees in Celsius.



General Information

Subject Area: X-Mathematics (former standards - 2008)
Grade: 912
Body of Knowledge: Algebra
Standard: Linear Equations and Inequalities - Solve linear equations and inequalities.
Date Adopted or Revised: 09/07
Date of Last Rating: 06/07
Status: State Board Approved - Archived
Assessed: Yes

Test Item Specifications

    Item Type(s): This benchmark may be assessed using: MC item(s)
    N/A

    Clarification :
    Students will manipulate an equation in order to isolate a specified variable.
    Content Limits :
    Items must contain more than two variables and require two or more procedural steps to complete.
    Stimulus Attributes :
    Items may be set in either real-world or mathematical contexts.


Sample Test Items (1)

Test Item # Question Difficulty Type
Sample Item 1

The Gross Domestic Product of a country for a given year is the sum of the market values of all goods and services produced within the country during that year. The Gross Domestic Product per capita is found by using the following formula.

 

Which of the following shows the Gross Domestic Product per capita formula solved for C ?

N/A MC: Multiple Choice


Related Resources

Lesson Plan

Name Description
Math in Mishaps

Students will explore how percentages, proportions, and solving for unknowns are used in important jobs. This interactive activity will open their minds and address the question, "When is this ever used in real life?"

Video/Audio/Animation

Name Description
Example of Solving for a Variable - Khan Academy

This video takes a look at rearranging a formula to highlight a quantity of interest.

Student Resources

Video/Audio/Animation

Name Description
Example of Solving for a Variable - Khan Academy:

This video takes a look at rearranging a formula to highlight a quantity of interest.



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