Algebra Geometriia Samostoiatelnye I Kontrolnye Raboty 9 Klass Ershova May 2026

Sine and cosine theorems for solving triangles. Vectors: Operations with vectors and coordinate geometry. Polygons: Areas and properties of regular polygons. Transformations: Rotations, symmetry, and translations. 💡 How to Use the Guide Effectively

Quadratic inequalities, the method of intervals, and inequalities with two variables. Functions: Quadratic functions and their graphs ( Progressions: Arithmetic and geometric progressions. Sine and cosine theorems for solving triangles

Start with Level A of any topic. If you solve it in under 15 minutes with no errors, skip straight to Level C to challenge yourself for the OGE. the method of intervals

The guide for by A.P. Ershova and V.V. Goloborodko (Ершова А.П., Голобородько В.В.) focuses on using its unique tiered structure to master the curriculum and prepare for exams like the OGE. 🛠️ Workbook Overview Sine and cosine theorems for solving triangles