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In a series of practice problems, learners use the addition or subtraction method to solve systems of linear equations, also called "simultaneous linear equations."
Excel: Determining the Square Root of a Complex Number
By Patrick Hoppe
Learners view the steps for determining the square root of a complex number in Excel.
An Algebraic Word Problem Involving Motion: Case 1
By Kevin Ritzman
In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.
Standard-Position Angles and Reference Angles
The learner will recognize standard-position angles and find the reference angle for any standard-position angle.
Solving Equations that Contain Algebraic Fractions
By Jim Cihak
Learners use the lowest common denominator to simplify and then solve equations with algebraic fractions. Immediate feedback is provided. This animated object has audio content.
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