Solve c^2=300-200Sqrt2 Equation

  • Thread starter Simioney
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In summary, to solve for c in the equation c^2=300-200Sqrt2, we can use the completing the square method or the quadratic formula. This equation has two solutions: c=3*Sqrt(2)-Sqrt(2) and c=-3*Sqrt(2)-Sqrt(2). Additionally, the equation can be solved using graphing methods, but this may not always be accurate and can be more time-consuming.
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Simioney
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c^2 = 300 - 200Sqrt2
 
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What's your question? If it is to find c then take +/-sqrt( ) of both sides.
 

1. How do I solve for c in the equation c^2=300-200Sqrt2?

To solve for c in this equation, we can first isolate c by subtracting 300 from both sides, giving us c^2-300=-200Sqrt2. Then, we can divide both sides by -200 to get rid of the coefficient in front of the square root, resulting in c^2/-200+300/-200=Sqrt2. From here, we can take the square root of both sides to get c alone, giving us c=Sqrt(300/-200)+Sqrt(Sqrt2). This can be simplified further to c=3*Sqrt(2)-Sqrt(2).

2. Can this equation have multiple solutions?

Yes, this equation can have multiple solutions. In fact, it has two solutions, since a quadratic equation can have at most two real solutions. In this case, the two solutions are c=3*Sqrt(2)-Sqrt(2) and c=-3*Sqrt(2)-Sqrt(2).

3. Can I use the quadratic formula to solve this equation?

Yes, you can use the quadratic formula to solve this equation. The quadratic formula is a general method for solving any quadratic equation in the form ax^2+bx+c=0. In this case, a=1, b=0, and c=-300-200Sqrt2. Substituting these values into the formula, we get the same solutions as before: c=3*Sqrt(2)-Sqrt(2) and c=-3*Sqrt(2)-Sqrt(2).

4. Can I solve this equation without using the quadratic formula?

Yes, you can solve this equation without using the quadratic formula. As shown in the first answer, you can solve the equation by isolating c and taking the square root of both sides. This method is known as completing the square. However, the quadratic formula is often a quicker and more efficient method for solving quadratic equations.

5. Can this equation be solved using graphing methods?

Yes, this equation can be solved using graphing methods. By graphing the equation c^2=300-200Sqrt2, we can see where the graph intersects the x-axis, which represents the solutions to the equation. However, this method may not always be accurate and can be more time-consuming compared to using the quadratic formula or completing the square method.

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