N.6 - DPS ARE
... A-REI.4.b Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real ...
... A-REI.4.b Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real ...
Hints to some of the practice problems
... (a) the number of quadratic non-residues modulo p, (b) the number of primitive elements in (Z/pZ)× , (c) the number of non-primitive elements in (Z/pZ)× , (d) the number of elements in (Z/pZ)× which are quadratic non-residues but not primitive. 15. Determine the number of elements of (Z/9797Z)× of o ...
... (a) the number of quadratic non-residues modulo p, (b) the number of primitive elements in (Z/pZ)× , (c) the number of non-primitive elements in (Z/pZ)× , (d) the number of elements in (Z/pZ)× which are quadratic non-residues but not primitive. 15. Determine the number of elements of (Z/9797Z)× of o ...
