Solve quadratic 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:
The product of two consecutive odd numbers is 8463. What are this numbers?
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.
- Expression with powers
If x-1/x=5, find the value of x4+1/x4
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 600 times larger than the count of variations of second class without repetition.
How many elements can form six times more combinations fourth class than combination of the second class?
- Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
Number ?. Find the value of x.
How much is sum of square root of six and the square root of 225?
If the average(arithmetic mean) of three numbers x,y,z is 50. What is the average of there numbers (3x +10), (3y +10), (3z+10) ?
It is true that the lines that do not intersect are parallel?
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
How many ways can divide 16 players into two teams of 8 member?
The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
- 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?