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Algebra 1

Algebra

Linear equations and functions, systems, exponents, polynomials, factoring, quadratics, radicals and rational expressions — the toolkit every later course assumes.

11 topics · 132 lessons about 58 hoursBefore this: Pre-Algebra

What you'll be able to do

  • Solve linear equations, inequalities and systems
  • Graph and interpret linear and quadratic functions
  • Multiply and factor polynomials
  • Solve quadratics three ways

Start the course

Go through each topic step by step — prose, worked examples, quick checks, and a timed practice round after every section.

Start
Final Test (30) Big Test (50) Search & glossary Flashcards Print the course (PDF)Suggest a problem

Every test ends with a score by topic and a list of what to revisit. Test out of a topic with 80% or better to mark it mastered.

Topics

1.

Core Ideas in Plain Terms

5 lessons

The core of algebra, in everyday language

Study PracticeQuizUnit Test
2.

Rational Expressions

12 lessons

Excluded values, simplifying, multiplying, dividing, adding, subtracting, complex fractions, equations, and work problems

Study PracticeQuizUnit TestTest out
3.

Data & Statistics

9 lessons

Center, spread, displays, scatter plots, correlation, and two-way tables

Study PracticeQuizUnit TestTest outReview so far
4.

Foundations

11 lessons

Everything you need before Algebra 1

Study PracticeQuizUnit TestTest outReview so far
5.

Equations & Inequalities

14 lessons

Everything you need to solve, rearrange, and graph.

Study PracticeQuizUnit TestTest outReview so far
6.

Linear Equations & Functions

12 lessons

Everything you need: the coordinate plane, functions, slope, and the equations of lines

Study PracticeQuizUnit TestTest outReview so far
7.

Systems of Equations

17 lessons

Everything you need: graphing, substitution, elimination, special cases, inequalities, and word problems.

Study PracticeQuizUnit TestTest outReview so far
8.

Exponents

12 lessons

Every rule, tip, and worked example in one place

Study PracticeQuizUnit TestTest outReview so far
9.

Polynomials

11 lessons

Vocabulary, degree, standard form, adding, subtracting, multiplying, and special products

Study PracticeQuizUnit TestTest outReview so far
10.

Factoring

11 lessons

Turning sums into products — the reverse of multiplying

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11.

Quadratics

11 lessons

Parabolas, factoring, square roots, completing the square, the quadratic formula, the discriminant, vertex form, and applications

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12.

Radicals

12 lessons

Square roots, simplifying, operations, and radical equations

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13.

Course Review

11 lessons

Every definition, rule, and formula for the whole course — all 11 topics in one place

Study PracticeQuizUnit Test