Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate:
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:
Equation ? has one root x1 = 10. Determine the coefficient b and the second root x2.
Determine the discriminant of the equation: ?
- 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.
- Equation with abs value
How many solutions has the equation ? in the real numbers?
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?
- Quadratic function 2
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
From how many elements we can create 990 combinations 2nd class without repeating?
How many elements can form six times more combinations fourth class than combination of the second class?
- Variation equation
Solve combinatorics equation: V(2, x+8)=72
- Cylinder diameter
The surface of the cylinder is 113 cm2. The cylinder height is 6 cm. What is the diameter of this cylinder?
- 2nd class combinations
From how many elements you can create 1081 combinations of the second class?
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
- Geometric progression 2
There is geometric sequence with a1=-5.8 and quotient q=-2.2. Calculate a19.
- Sequence 3
Write the first 5 members of an arithmetic sequence: a7=-51, a17=-121.
- Six terms
Find the first six terms of the sequence a1 = -3, an = 2 * an-1
- 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?
- The confectionery
The confectionery sold 5 kinds of ice cream. In how many ways can I buy 3 kinds if order of ice creams does not matter?