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Linear equations, systems and inequalities · GRE · Courselo

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GRE
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Quantitative Reasoning: algebra

Linear equations, systems and inequalities

Quantitative Reasoning: algebra · Lesson 2 of 5

Lesson 2 of 5

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Unit 5

Quantitative Reasoning: algebra

5 lessons · 5 h 20 min of study

Algebraic expressions and factoring1 h of study
Linear equations, systems and inequalitiesReading · 0%
Quadratics, functions and defined operations1 h 10 min of study
Algebraic word problems1 h 10 min of study
Coordinate geometry1 h of study

This unit is ≈11% of the GRE, across 5 lessons. Full syllabus

Lesson 2 of 5 · Quantitative Reasoning: algebra

Linear equations, systems and inequalities

3 quick checks≈3% of the testFoundational: Foundational: the groundwork the rest of the unit builds on

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By the end you’ll be able to

Solve linear equations in one variable and systems of two linear equations by substitution or elimination
Recognise systems with no solution or infinitely many solutions
Solve linear and compound inequalities, reversing the sign when multiplying or dividing by a negative
Solve equations and inequalities involving absolute value

Practice this skill

Adaptive questions on linear equations, systems and inequalities.

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