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1387.3. Equation roots.

Write the correct answer!

How big is equations x^{2}=16 root? (if no roots, type S, if root is all real numbers type R)
Grade:
7
Subject
Algebra
Theme
Equation and their solution
Subtheme
Equation roots

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Function
  2. Algebra: Similar monomials
  3. Algebra: Linear function y = kx + b
  4. Algebra: Polynomial.
  5. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  6. Algebra: Subscript concept: base, index, degree
  7. Algebra: Polynomial.
  8. Algebra: Monomial coefficient
  9. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
  10. Geometry: Angle, angle edges and peak, value, degree, measurement.
  11. Algebra: Numerical equalities.
  12. Algebra: Coordinate axis and point coordinate
  13. Algebra: Ordinary and decimal fractions
  14. Algebra: Numerical connections
  15. Algebra: Identity.
  16. Algebra: Mathematics expression. Algebraic expression.
  17. Algebra: Connection concept
  18. Algebra: Equivalent equations.
  19. Algebra: Connection concept
  20. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  21. Algebra: Identical expression transformation.
  22. Algebra: Equation roots.
  23. Algebra: Identical expression transformation.
  24. Algebra: Ordinate axis
  25. Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
  26. Algebra: Monomial coefficient
  27. Algebra: Identical expressions.
  28. Algebra: Numerical module
  29. Algebra: Equation roots.
  30. Algebra: Coordinate axis and point coordinate
  31. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  32. Algebra: Independent variable (argument) and dependent fixed (function)
  33. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  34. Geometry: Internal one-way angles, internal intersecting angles, step angles, parallel lines, parallel line properties, signs of line parallelism
  35. Algebra: Point coordinates
  36. Algebra: Polynomial normal form.
  37. Algebra: Mathematics expression. Algebraic expression.
  38. Algebra: Conditioned inequality properties
  39. Algebra: Diagram y = kx + b (drawing)
  40. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  41. Geometry: Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
  42. Algebra: Ordinary and decimal fractions