Courselo

Home
Learn
Practice(sign in to use)
Mock exams
Review(sign in to use)

Plan(sign in to use)
Progress(sign in to use)
Tutor(sign in to use)
Studio(sign in to use)

Your plan

Save your progressA free account keeps your answers, predicts your score and builds a daily plan.Create a free account

Loading lesson

Loading your exam home

Home
Learn
Practice, sign in to use
Mocks
Review, sign in to use

Loading lesson

Linear equations, inequalities and systems · ACT · Courselo

Courselo

ACT
Learn
Math: algebra

Linear equations, inequalities and systems

Math: algebra · Lesson 1 of 3

Lesson 1 of 3

Ask a tutor

Unit 5

Math: algebra

3 lessons · 4 h 20 min of study

Linear equations, inequalities and systemsReading · 0%
Linear graphs, slope and linear inequalities1 h 10 min of study
Polynomials, quadratics and rational expressions1 h 40 min of study

This unit is ≈6% of the ACT, across 3 lessons. Full syllabus

Lesson 1 of 3 · Math: algebra

Linear equations, inequalities and systems

3 quick checks≈2% of the testFoundational: Foundational: the groundwork the rest of the unit builds on

Reading is free. Sign in to tick off lessons, keep your place and track your mastery.

By the end you’ll be able to

Solve linear equations and inequalities in one variable, including literal equations solved for a named variable
Solve absolute value equations and inequalities, and represent solution sets on a number line
Solve systems of two linear equations by substitution, elimination or graphing, and find conditions for no solution or infinitely many solutions

Practice this skill

Adaptive questions on linear equations, inequalities and systems.

Practise this topic

0% read

Translate word problems into linear equations, inequalities or systems, and interpret the solution in context

This lesson hasn’t been written yet

ACT lessons are written from the official syllabus the first time a learner opens them, then saved for everyone. Sign in and this one is written for you in a minute or two. It’s free.

PreviousReal and complex number systems Next lessonLinear graphs, slope and linear inequalities