Solving a Literal Equation for a Specific Variable
Algebra · Algebra 1 · Big Ideas Math · Ron Larson · Chapter 1
Question
Question:
The formula for the perimeter of a rectangle is P equals 2 times l plus 2 times w. Part a: Solve the formula for l, the length. Part b: Use the result to find the length of a rectangle with a perimeter of 54 centimeters and a width of 9 centimeters.
Solving a Literal Equation for a Specific Variable
This lesson teaches students how to rearrange a multi-variable formula by isolating a specific variable using inverse operations. Using the rectangle perimeter formula P = 2l + 2w, students solve for length and then apply the rearranged formula to a numerical problem.
In this lesson, you will learn to:
• Rearrange a literal equation to isolate a specified variable using inverse operations
• Apply a rearranged formula by substituting given values to find an unknown quantity
• Verify a solution by substituting back into the original formula
Course: Algebra1 · Big Ideas Math · Ron
Step-by-step video solution
This DoAssignment.ca lesson explains the problem with a narrated, step-by-step solution for students studying Algebra from Algebra 1 · Big Ideas Math · Ron Larson.
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