Solve the Radical Equation: √50/√x = 5

Solve the following equation:

50x=5 \frac{\sqrt{50}}{\sqrt{x}}=5

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the value X
00:03 The root of number (A) divided by the root of number (B)
00:06 Is the same as the root of the fraction (A divided by B)
00:10 Apply this formula to our exercise and convert to the root of fraction:
00:15 Square both sides to eliminate the root
00:24 The square cancels the root, calculate 5 squared
00:31 Isolate X
00:46 This is the solution

Step-by-step written solution

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1

Understand the problem

Solve the following equation:

50x=5 \frac{\sqrt{50}}{\sqrt{x}}=5

2

Step-by-step solution

To solve the given equation, 50x=5\frac{\sqrt{50}}{\sqrt{x}} = 5, we will follow these steps:

  • Step 1: Multiply both sides by x\sqrt{x} to isolate x\sqrt{x}:
    50=5x\sqrt{50} = 5\sqrt{x}.
  • Step 2: Divide both sides by 5 to solve for x\sqrt{x}:
    x=505\sqrt{x} = \frac{\sqrt{50}}{5}.
  • Step 3: Simplify 505\frac{\sqrt{50}}{5}:
    50=25×2=252=52\sqrt{50} = \sqrt{25 \times 2} = \sqrt{25}\sqrt{2} = 5\sqrt{2}. Thus, 525=2\frac{5\sqrt{2}}{5} = \sqrt{2}.
  • Step 4: Square both sides to solve for xx:
    x=(2)2=2x = (\sqrt{2})^2 = 2.

Now, compare with the provided choices:
Choice b is 4\sqrt{4}, which simplifies to 2.
Choice c is 2. Both represent the correct answer.

Therefore, the correct answer is Answers b and c.

3

Final Answer

Answers b and c

Practice Quiz

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Solve the following exercise:

\( \sqrt{\frac{2}{4}}= \)

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