# 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 7th

- Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
- Identical expressions.
- Ordinary and decimal fractions
- Similar monomials
- Monomial coefficient
- Equation roots.
- Polynomial normal form.
- Polynomial.
- Coordinate axis and point coordinate
- Numerical equalities.
- Notation –x < 3 vai x ∈ (– ∞; 3)
- Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
- Internal one-way angles, internal intersecting angles, step angles, parallel lines, parallel line properties, signs of line parallelism
- Opposite, adjacent angles, perpendiculars against a straight line.
- Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
- Point coordinates
- Notation –x < 3 vai x ∈ (– ∞; 3)
- Equal figures, line segments, lengths, midpoints, distance between two points.
- Polynomial.
- Ordinary and decimal fractions
- Ordinate axis
- Numerical connections
- Contracted multiplication formula: addition and subtraction square; square difference.
- Mathematics expression. Algebraic expression.
- Conditioned inequality properties
- Subscript concept: base, index, degree
- Identity.
- Diagram y = kx + b (drawing)
- Connection concept
- Monomial coefficient
- Equation roots.
- Mathematics expression. Algebraic expression.
- Independent variable (argument) and dependent fixed (function)
- Angle, angle edges and peak, value, degree, measurement.
- Function
- Linear function y = kx + b
- Identical expression transformation.
- Coordinate axis and point coordinate
- Numerical module
- Identical expression transformation.
- Equivalent equations.
- Connection concept