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What is formed when two or more linear equations are grouped together?
AA single quadratic equation alone
BA compound inequality with two parts
CA system of linear equations
DA linear function of one variable
Answer & Solution
Correct answer: C. A system of linear equations
1. The definition states directly that grouping two or more linear equations together forms a system of linear equations.
2. A quadratic equation, a compound inequality, and a linear function are all different mathematical objects, none of which describes a group of linear equations.
3. Most algebra courses focus on systems of exactly two linear equations in two unknowns, though larger systems are possible too.
_Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 5 "Systems of Linear Equations", section 5.1 Solve Systems of Equations by Graphing_
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