Search results 115 items matching your search terms. Filter the results Item type Select All/None Class Collection File Folder Image Integrator Profile Link Movie Page Parent Profile Parent-Child Link Question Quiz Quiz History Service Subscription Stats Student Profile Teacher Profile New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically General Linear Equation, Parallel and Perpendicular Lines, and the Angle Between Lines by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10 Covers the general form Ax+By+C=0, its slope and intercepts, the slope conditions for parallel and perpendicular lines, and the formula for the angle between ... Located in Mathematics / Calculus / From Geometry to Coordinate Geometry Angle of Inclination and Slope of a Line by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10, Year 11 Covers the definition of the angle of inclination, the slope of a nonvertical line, and the relation tan(theta) = slope. Located in Mathematics / Calculus / From Geometry to Coordinate Geometry Equations of a Line: Point-Slope, Slope-Intercept, Two-Point, and Intercept Forms by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10, Year 9 Covers the equations of horizontal and vertical lines, and the point-slope, slope-intercept, two-point, and intercept forms of the equation of a nonvertical ... Located in Mathematics / Calculus / From Geometry to Coordinate Geometry The Section (Midpoint) Formula by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 10 Covers the midpoint formula and the general section formula for a point dividing a segment internally in a given ratio. Located in Mathematics / Calculus / From Geometry to Coordinate Geometry Absolute Value Fundamentals by Dr. Osama M. Khaled — published Aug 19, 2026 — last modified Aug 21, 2026 11:21 AM — filed under: Year 10 Covers the definition of absolute value, its geometric meaning as distance, and solving simple absolute value equations. Located in Mathematics / Calculus / Discovery of Real Numbers: Through Traditional Algebra Algebraic Properties and Order Relations of Real Numbers by Dr. Osama M. Khaled — published Aug 19, 2026 — last modified Aug 21, 2026 11:23 AM — filed under: Year 9, Year 10 Covers the algebraic properties of real numbers (commutative, associative, identity, inverse, distributive) and the order properties used to work with ... Located in Mathematics / Calculus / Discovery of Real Numbers: Through Traditional Algebra Energy and Its Units by Dr. Osama M. Khaled — published Aug 02, 2026 — last modified Aug 06, 2026 09:59 PM — filed under: Year 10, Year 11 Define energy, work, and the law of conservation of energy, and convert between joules and calories Located in Chemistry / Energy and Chemistry Chemical Reactions & Equations - Review by Dr. Osama M. Khaled — published Jun 28, 2026 — last modified Jun 28, 2026 07:27 PM — filed under: Year 10, Year 11, Year 12 A mixed review: proper equations, the activity series, double-replacement errors, reaction-type overlaps with redox, oxidation numbers, and disproportionation Located in Chemistry / Chemical Reactions and Equations Oxidation-Reduction Reactions by Dr. Osama M. Khaled — published Jun 28, 2026 — last modified Jun 28, 2026 07:23 PM — filed under: Year 10, Year 11, Year 12 Define oxidation and reduction, assign oxidation numbers, and recognize redox reactions Located in Chemistry / Chemical Reactions and Equations Neutralization Reactions by Dr. Osama M. Khaled — published Jun 28, 2026 — last modified Jun 28, 2026 07:16 PM — filed under: Year 10 Apply the Arrhenius definitions of acids and bases, predict and balance neutralization products, and write net ionic equations Located in Chemistry / Chemical Reactions and Equations 1 2 3 4 5 6 7 ... 12 Next 10 items > Subscribe to an always-updated RSS feed.
