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Quadratic Equations

 

Quadratic Equations


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Qustion 1

Divide 27 into 2 parts such that the sum of their reciprocals is 3/20.


Qustion 2
A rectangular feild 16m long and 10m wide. There is a path of uniform width all around it having an atea of 120m^2. form the quadrotic equation for the givn problem?

Qustion 3
An employer finds that he increases the weekly wages of each worker by Rs 3 and employs 1 worker less, He reduces his weekly wage bill from Rs 816 to Rs 781. Taking the original weekly wage of each worker as Rs 'x', form an equation in 'x' and solve it to find the weekly wage of each worker.


QUSTION 4
Swati can raw a boat at a speed of 5km/h in still water.  If she takes 1houer more to row the boat 5.25 km upstream and them  to return downstream. Ten find the speed of the still water.                

Quadratic Equation:
ax2 + bx + c = 0
  a =
  b =
  c =
 X1 =
  X2 =
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