# Equation

Equation
has one root x1 = 10. Determine the coefficient b and the second root x2.

Result

b =  1.6
x2 =  -8.4

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

## Next similar examples:

1. Roots
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
2. 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.
Quadratic equation ? has roots x1 = -47 and x2 = -79. Calculate the coefficients b and c.
4. Discriminant
Determine the discriminant of the equation: ?
5. 2nd class combinations
From how many elements you can create 1081 combinations of the second class?
Which of the points belong function f:y= 2x2- 3x + 1 : A(-2, 15) B (3,10) C (1,4)
8. Combinations
From how many elements we can create 990 combinations 2nd class without repeating?
9. Tubes
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?
10. Equation with abs value
How many solutions has the equation ? in the real numbers?
11. Geometric progression 2
There is geometric sequence with a1=-5.8 and quotient q=-2.2. Calculate a19.
12. Sequence
Between numbers 2 and 78 insert n members of the arithmetic sequence that its sum is 600.
13. Calculation
How much is sum of square root of six and the square root of 441?
14. 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?
15. Calculation of CN
Calculate: ?