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.
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
Determine the discriminant of the equation: ?
- Expression with powers
If x-1/x=5, find the value of x4+1/x4
X+y=5, find xy (find the product of x and y if x+y = 5)
- 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.
- Elimination method
Solve system of linear equations by elimination method: 5/2x + 3/5y= 4/15 1/2x + 2/5y= 2/15
- Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
How much is sum of square root of six and the square root of 225?
Number ?. Find the value of x.
- 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?
- Reference angle
Find the reference angle of each angle:
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
Is true equality? ?