## Old Algebra Videos## Focus Area 1: The language of algebra & Solving equationsExpressions (1.1-1.3) Lesson 1-1 - Evaluate Expressions Lesson 1-2 - Order of Operations Lesson 1-3 - Write Expressions Functions (1.4-1.7) Lesson 1-4 - Write Equations and Inequalities Lesson 1-6 - Represent functions as rules and tables Lesson 1-7 - Represent functions as graphs Integer operations (2.1-2.6) Lesson 2-1 - Use integers and rational numbers Lesson 2-2,3,4,6 part 1 - Add, subtract, multiply and divide negative numbers Lesson 2-2,3,4,6 part 2 - Number properties The distributive property (2.5) Lesson 2-5 - The distributive property One- and two-step equations (3.1-3.2) Lesson 3-1 - Solve one-step equations Lesson 3-2 - Solve two-step equations Multi-step equations (3.3-3.4) Lesson 3-3 - Solve multi-step equations Lesson 3-4 - Solve equations with variables on both sides Proportions and percents (3.5-3.7) Lesson 3-5 - Write ratios and proportions Lesson 3-6 - Solve proportions using cross products Lesson 3-7 - Solve percent problems Rewriting expressions (3.8) Lesson 3-8 - Rewrite equations and formulas ## Focus Area 2: Linear FunctionsGraph linear equations (4.1-4.3) Lesson 4-1 - Plot points in a coordinate plane Lesson 4-2 - Graph linear equations Lesson 4-3 - Graph using intercepts Slope-intercept form (4.4-4.5) Lesson 4-4 - Find slope and rate of change Lesson 4-5 - Graph using slope-intercept form Lesson 4-6 - Model direct variation Lesson 4-7 - Graph linear functions Write linear equations in slope-intercept form (5.1-5.2) Lesson 5-1 - Write linear equations in slope-intercept form Lesson 5-2 - Use linear equations in slope-intercept form Write linear equations in other forms (5.3-5.4) Lesson 5-3 - Write linear equations in point-slope form Lesson 5-4 - Write linear equations in standard form Parallel and perpendicular lines (5.5) Lesson 5-5 - Write equations of parallel and perpendicular lines ## Focus Area 3: Linear Inequalities and Absolute ValueInequalities with one variable (6.1-6.3) Lesson 6-1 - Solve inequalities using addition and subtraction Lesson 6-2 - Solve inequalities using multiplication and division Lesson 6-3 - Solve multi-step inequalities Compound inequalities (6.4) Lesson 6-4 - Solve compound inequalities Absolute value equations and inequalities (6.5-6.6) Lesson 6-5 - Solve absolute value equations Lesson 6-6 - Solve absolute value inequalities Linear inequalities in two variables (6.7) Lesson 6-7 - Graph linear inequalities in two variables ## Focus Area 4: Systems of Equations and InequalitiesGraphing linear systems (7.1) Lesson 7-1 - Solve linear systems by graphing The substitution method (7.2) Lesson 7-2 - Solve linear systems by substitution The elimination method (7.3-7.5) Lesson 7-3 - Solve linear systems by adding or subtracting Lesson 7-4 - Solve linear systems by multiplying first Lesson 7-5 - Solve special types of linear systems Systems of linear inequalities (7.6) Lesson 7-6 - Solve systems of linear inequalities ## Focus Area 5: Exponential FunctionsExponent properties Lesson 8-1 - Apply exponent properties involving products Lesson 8-2 - Apply exponent properties involving quotients Lesson 8-3 - Define and use zero and negative exponents Scientific Notation Lesson 8-4 - Use scientific notation Exponential functions Lesson 8-5 - Write and graph exponential growth functions Lesson 8-6 - Write and graph exponential decay functions ## Focus Area 6: Quadratic FunctionsPolynomial Operations (9.1-9.4) Lesson 9-1 - Add and subtract polynomials Lesson 9-2 - Multiply Polynomials Lesson 9-3 - Special polynomial products Lesson 9-4 - Solve polynomial equations in factored form Factor ax2+bx+c (9.5-9.6) Lesson 9-5 - Factor ax^2+bx+c Lesson 9-6 - Factor ax^2+bx+c Factor Completely (9.7-9.8) Lesson 9-7 - Factor Special Products Lesson 9-8 - Factor Completely Graph Quadratics (10.1-10.3) Lesson 10-1 - Graph y=ax^2+c Lesson 10-2 - Graph y=ax^2 + bx + c Lesson 10-3 - Solve Quadratic Equations by Graphing Solve Quadratics by using roots and completing the square (10.4-10.5) Lesson 10-4 - Solve Quadratic Equations by Taking Square Roots Lesson 10-5 - Solve Quadratics by Completing the Square The Quadratic Formula (10.6-10.7) Lesson 10-6 - The Quadratic Formula Lesson 10-7 - Interpret the Discriminant Compare Linear, Exponential and Quadratic Models (10.8) Lesson 10-8 - Compare Linear, Exponential and Quadratic Models. ## Other Functions: radicals and rationals (not on the final exam)Radicals (11.1-11.3) Lesson 11-1 - Graph Square Root Functions Lesson 11-2 - Simplify Radical Expressions Lesson 11-3 - Solve Radical Equations The Pythagorean Theorem (11.4-11.5) - SkipLesson 11-4 - The Pythagorean Theorem Lesson 11-5 - The Distance and Midpoint Formulas Graph Rational Functions (12.1-12.2) Lesson 12-1 - Inverse Variation Lesson 12-2 - Graph Rational Functions Simplify Rational Expressions (12.3-12.4) Lesson 12-3 - Divide Polynomials Lesson 12-4 - Simplify Rational Expressions Manipulate Rational Expressions (12.5-12.6) Lesson 12-5 - Multiply and Divide Rational Expressions Lesson 12-6 - Add and Subtract Rational Expressions Solve Rational Equations (12.7) Lesson 12-7 - Solve Rational Equations ## Orphaned LessonsModeling with linear functions (5.6-5.7) Lesson 5-6&7 - Use computers to fit a line to data --- note, this lesson is outdated. There are other ways to do regression. When you get to this lesson ask for help. Lesson 2-7 - Square roots |

8th Grade >