Determine the discriminant of the equation:
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Variations 4/2
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.
- AS sequence
In an arithmetic sequence is given the difference d = -2 and a78 = 518. a) Determine the value of a67 b) Determine the sum of 78 members.
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Equation ? has one root x1 = 10. Determine the coefficient b and the second root x2.
How many elements can form six times more combinations fourth class than combination of the second class?
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
The product of two consecutive odd numbers is 899. What are this numbers?
Between numbers 2 and 78 insert n members of the arithmetic sequence that its sum is 600.
- Sequence 3
Write the first 5 members of an arithmetic sequence: a7=-51, a17=-121.
From how many elements we can create 990 combinations 2nd class without repeating?
- Cinema 4
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?
- Quadratic inequation
If 5x + x² > 100, then x is not
- Quadratic equation
Quadratic equation ? has roots x1 = -47 and x2 = -79. Calculate the coefficients b and c.
- Geometric progression 2
There is geometric sequence with a1=-5.8 and quotient q=-2.2. Calculate a19.
- Fish tank
A fish tank at a pet store has 10 zebra fish. In how many different ways can George choose 4 zebra fish to buy?