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2320.2. Equivalence

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Are equations y-x=6 and x^2+y^2=4 are equivalent?

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What transformations are done, so that from second equation to obtain the first?
Grade:
9
Subject
Algebra
Theme
Equation systems
Subtheme
Equivalence

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Inequality systems
  2. Algebra: Interval methodes in inequalities
  3. Physics: Energy usage in everyday life
  4. Algebra: Fraction inequalities
  5. Algebra: Combinatorics
  6. Physics: The development of transport
  7. Algebra: Equivalence
  8. Algebra: Quadratic function y = ax² + bx + c concept
  9. Algebra: Quadratic function y = ax² + bx + c concept
  10. Algebra: Variation, combination
  11. Algebra: Quadratic function y = ax² + bx + c concept
  12. Algebra: Combinatorics
  13. Algebra: Difference
  14. Physics: Electrosafety.
  15. Algebra: Function concept recess: growth-decrease; biggest-smallest value;value interval.
  16. Algebra: Interval methodes in inequalities
  17. Algebra: Probability
  18. Algebra: Numerical chain concept
  19. Algebra: Difference
  20. Chemistry: Obtaining metal from oxides. With chemical reaction equations.
  21. Physics: Elements in suns system.
  22. Chemistry: Metal chemical properties.
  23. Algebra: Equation with two unknowns (either 1 or 2 degree)
  24. Chemistry: Hydrocarbon combustion. Calculations with chemical reaction equations.
  25. Algebra: Variation, combination
  26. Geometry: Triangle similarity signs.
  27. Physics: Electrical circuit characteristics and Ohms law in circuit.
  28. Algebra: Function concept recess: Function root; growth-decrease; biggest-smallest value; value interval.
  29. Algebra: Difference
  30. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
  31. Chemistry: Calculations by chemical reactions.
  32. Algebra: Function concept recess: growth-decrease; biggest-smallest value;value interval.
  33. Geometry: Regular polygon, perimeter and area. Regular polygon indrawn circle, regular polygon indrawn in a circle.
  34. Chemistry: Organic substance transformation.
  35. Algebra: Variation, combination
  36. Physics: Electromagnetic waves in nature
  37. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
  38. Algebra: Quotient
  39. Geometry:
  40. Geometry: Triangle, parallelogram, diamond area formulas, through narrow angle sine value.
  41. Algebra: Arithmetic progression
  42. Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.