# CK-12 Algebra I

**At Grade**Created by: CK-12

## Table of Contents

- 1. Equations and Functions
This chapter covers evaluating algebraic expressions, order of operations, using verbal models to write equations, solving problems using equations, inequalities, identifying the domain and range of a function, and graphs of functions.

- 2. Real Numbers
This chapter covers graphing and comparing integers, finding absolute values, ordering rational numbers, performing basic operations with rational numbers, and applying the commutative, associative, and distributive properties.

- 3. Equations of Lines
This chapter covers solving one-step equations, solving two-step and multi-step equations, using ratios and proportions, solving problems using scale drawings, using similar figures to measure, and finding the percent of a number.

- 4. Graphs of Equations and Functions
This chapter covers plotting points in a coordinate plane, graphing functions given a table or rule, graphing linear equations, graphing using intercepts and slope-intercept form, and solving real-world problems using direct variation.

- 5. Writing Linear Equations
This chapter covers linear equations in slope-intercept form and point-slope form, standard form for linear equations, equations of parallel and perpendicular lines, and problem solving using linear models.

- 6. Graphing Linear Inequalities; Introduction to Probability
This chapter covers solving and graphing linear inequalities, identifying the number of solutions of an inequality, solving compound inequalities, and solving absolute value equations & inequalities.

- 7. Solving Systems of Equations and Inequalities
This chapter covers solving systems of equations graphically, solving systems of equations using substitution or elimination, solving systems of equations using multiplication, and solving systems of inequalities.

- 8. Exponential Functions
This chapter covers exponent properties involving products and quotients, expressions with zero, negative & fractional exponents, scientific notation, and geometric sequences.

- 9. Factoring Polynomials; More on Probability
This chapter covers addition & subtraction of polynomials, multiplication of polynomials, special products of polynomials, solving simple polynomial equations by factoring, and factoring quadratic expressions.

- 10. Quadratic Equations and Quadratic Functions
This chapter covers graphing quadratic functions, identifying the number of solutions of quadratic equations, solving quadratic equations using the quadratic formula, and finding the discriminant of a quadratic equation.

- 11. Algebra and Geometry Connections; Working with Data
This chapter covers graphing and comparing square root functions, solving radical equations, using the Pythagorean theorem and its converse, using the distance formula, and making & interpreting stem-and-leaf plots & histograms.

- 12. Rational Equations and Functions; Topics in Statistics
This chapter covers inverse variation models, graphing rational functions, division of polynomials, multiplication, division, addition & subtraction of rational expressions, solving rational equations, and designing & conducting a survey.