# 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

- Square root
- Linear equalities and inequalities solution.
- Diameter, which is perpendicular to chord, properties.
- ax² + bx = 0
- Gas volume calculations.
- Irrational numbers.
- Rational expression.
- Substances with constant composition. Chemical formula.
- Area of a figure, measurement, main properties, same sized figures.
- Triangle median properties.
- Air composition and usage(reactions).
- Periodical decimal fractions.
- Circle, their elements. Secant.
- Movement characteristics.
- Heat process diagram.
- Physics language.
- Algebraic expression transformation.
- Proportions, percent
- Figure heights. Same sized figure areas.
- Transformation of algebraic expressions.
- Periodical decimal fractions.
- Viet theorem.
- Square root
- Chemical transformation signs. Chemical transformation causes and process.
- Circle in a triangle, centers location.
- Irrational numbers.
- Average arithmetical
- Substances physical properties and transformations.
- Polygon angle sum, convex or concaved quadrangle, polygon diagonale.
- Equation with unknown denominator.
- Transformation of algebraic expressions.
- Incomplete quadratic equation
- Substances multiplicity.
- Equation with unknown denominator.
- Neutralisation reactions and calculations.
- Vyeta theorem.
- Rational fraction expression.
- Parallelogram, elements. Properties and signs.
- Fraction addition and subtraction.
- Square trinomial distribution into multipliers
- Heat expanding.
- Researching basis in physics.