has roots x1 = 80 and x2 = 78. Calculate the coefficients b and c.

Result

b =  -1106
c =  43680

#### Solution:

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

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

Looking for help with calculating roots of a quadratic equation? Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

## 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: ?
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
3. Cinema 4
In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?
4. 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 100 tubes if top layer has 9 tubes? How many tubes are in bottom layer of tubes?
5. Equation with abs value
How many solutions has the equation ? in the real numbers?
6. Equation
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
7. Square root 2
If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
8. Discriminant
Determine the discriminant of the equation: ?
9. Solve 3
Solve quadratic equation: (6n+1) (4n-1) = 3n2
10. Variation equation
Solve combinatorics equation: V(2, x+8)=72
11. Variable
Find variable P: PP plus P x P plus P = 160
12. Reciprocal equation 2
Solve this equation: x + 5/x - 6 = 4/11