# Location: **N° ` .", E° ` ."**

To define the coordinates of this point, you have to solve the tasks, that are hidden under the question marks.

Suitable for: Grade 8th

- ax² + c = 0
- Heat process in life.
- Different size units.
- Heat expanding.
- Moda
- Acids and bases. Indicators.
- Viet theorem.
- Light spectre and colour formation.
- Transformation of algebraic expressions.
- Polygon angle sum, convex or concaved quadrangle, polygon diagonale.
- Triangle in a circle, outlined circle lines center location.
- Substance oxidation process and reactions.
- Periodical decimal fractions.
- Heat process diagram.
- substances mu
- Researching basis in physics.
- Square trinomial roots
- Viet theorem.
- Square root properties
- Square trinomial roots
- Researching basis in physics.
- Rational numbers.
- Rectangular, properties and signs.
- Chemical element oxidation degree. Binary compound formula and name.
- Tangent properties and signs.
- Arithmetic square root
- Interaction, strength and safety.
- Archimedes law.
- Proportions, percent
- Light break and lens.
- Light reflection and mirrors.
- Rectangular, properties and signs.
- Arithmetic square root
- Polygon angle sum, convex or concaved quadrangle, polygon diagonale.
- Rational fraction expression.
- Physics language.
- Acids and bases. Indicators.
- Polygon angle sum, convex or concaved quadrangle, polygon diagonale.
- Rational expression.
- Air composition and usage(reactions).
- Numerical approximations.
- Substances multiplicity.