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 600 times larger than the count of variations of second class without repetition.
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 = 8. Determine the coefficient b and the second root x2.
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
How many elements can form six times more combinations fourth class than combination of the second class?
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 100 tubes if top layer has 9 tubes? How many tubes are in bottom layer of tubes?
- 2nd class combinations
From how many elements you can create 4560 combinations of the second class?
- Cylinder diameter
The surface of the cylinder is 149 cm2. The cylinder height is 6 cm. What is the diameter of this cylinder?
The product of two consecutive odd numbers is 8463. What are this numbers?
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
- Six terms
Find the first six terms of the sequence a1 = -3, an = 2 * an-1
From how many elements we can create 990 combinations 2nd class without repeating?
- Quadratic equation
Solve quadratic equation: 2x2-58x+396=0
- Calculation of CN
- Complex number coordinates
Which coordinates show the location of -2+3i
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
How many different triads can be selected from the group 38 students?