Discriminant

Determine the discriminant of the equation:




Result

D =  -296

Solution:









Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Next similar examples:

  1. Variations 4/2
    pantagram_1 Determine the number of items when the count of variations of fourth class without repeating is 552 times larger than the count of variations of second class without repetition.
  2. Equation
    calculator_2 Equation ? has one root x1 = 10. Determine the coefficient b and the second root x2.
  3. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  4. Quadratic function 2
    parabola1 Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
  5. Tubes
    pipes_1 Iron tubes in the warehouse are stored in layers so that each tube top layer fit into the gaps of the lower layer. How many layers are needed to deposit 56 tubes if top layer has 5 tubes? How many tubes are in bottom layer of tubes?
  6. Cylinder diameter
    valec.JPG The surface of the cylinder is 113 cm2. The cylinder height is 6 cm. What is the diameter of this cylinder?
  7. Combinations
    math_2 From how many elements we can create 990 combinations 2nd class without repeating?
  8. Cinema 4
    cinema_2 In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?
  9. Sequence
    sunflower Between numbers 2 and 78 insert n members of the arithmetic sequence that its sum is 600.
  10. Sequence 3
    75 Write the first 5 members of an arithmetic sequence: a7=-51, a17=-121.
  11. Seats
    divadlo_2 Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row
  12. Geometric progression 2
    exp_x There is geometric sequence with a1=-5.8 and quotient q=-2.2. Calculate a19.
  13. Calculation of CN
    color_combinations Calculate: ?
  14. Fish tank
    zebra_fish A fish tank at a pet store has 10 zebra fish. In how many different ways can George choose 4 zebra fish to buy?
  15. Trinity
    trojka How many different triads can be selected from the group 29 students?