Translate y=-(x-2)²+4: Moving a Quadratic Function 10 Units Down

Which equation represents the function:

y=(x2)2+4 y=-(x-2)^2+4

moved 10 spaces down?

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Express the new function
00:03 We'll use the formula to shift the function
00:10 We want to shift 10 units horizontally downward, so we'll decrease K
00:26 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Which equation represents the function:

y=(x2)2+4 y=-(x-2)^2+4

moved 10 spaces down?

2

Step-by-step solution

To solve this problem, we will perform the following steps:

  • Step 1: Identify the original function. It is y=(x2)2+4 y = -(x-2)^2 + 4 .
  • Step 2: Determine how many units to move the function. According to the problem, we move it 10 spaces down, which means we subtract 10 from the entire function.
  • Step 3: Perform the vertical transformation by modifying the constant term. The new function is:

y=(x2)2+410 y = -(x-2)^2 + 4 - 10 .

Step 4: Simplify the resulting expression:

y=(x2)26 y = -(x-2)^2 - 6 .

This adjusted equation shows the original parabola moved 10 spaces down.

If we look at the given choices, our result corresponds to choice 3.

Therefore, the equation representing the function moved 10 spaces down is y=(x2)26 y = -(x-2)^2 - 6 .

3

Final Answer

y=(x2)26 y=-(x-2)^2-6

Practice Quiz

Test your knowledge with interactive questions

Which equation represents the function:

\( y=x^2 \)

moved 2 spaces to the right

and 5 spaces upwards.

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