# 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

- Quadratic discriminator
- Relative frequency
- Light reflection and mirrors.
- Spread of light and shades.
- Quadratic equation
- Equation with unknown denominator.
- Different size units.
- Square root extraction
- Fraction multiplication and division.
- Heat and temperature.
- Equation with unknown denominator.
- Hyperbola.
- Amplitude
- Sounds reception.
- Moda
- Physical phenomena and processes.
- Incomplete quadratic equation
- Reverse proportionality concept.
- Parallelogram, diamond, triangle, right-angled triangle, trapeze area.
- Complete quadratic equation
- Different size units.
- Neutralisation reactions and calculations.
- Laboratory tableware and accessories.
- Archimedes law.
- Substances multiplicity.
- Linear function research.
- Linear equalities and inequalities solution.
- Formula y = k/x
- Movement diagram.
- Viet theorem.
- Periodic table of chemical elements and atom structure.
- Hyperbola.
- Average arithmetical
- Rational numbers.
- Archimedes law.
- Acids, bases and salts chemical formulas and names.
- Polygon angle sum, convex or concaved quadrangle, polygon diagonale.
- Complete quadratic equation
- Light spectre and colour formation.
- Parabola.
- Waters physical properties. Solution (part of weight).
- Parallelogram, diamond, triangle, right-angled triangle, trapeze area.