Question

Match the equation on the left to its equivalent on the right. (4 points)
y = x^2 − 8x + 12

y = x^2+4x−2

y=(x+4)^2−12

y=(x+15)(x+1)

answers

y = x^2 + 8x + 4

y = x^2 + 16x + 15

y = (x + 2)^2 - 6

y = (x - 2) (x - 6)

Answers

Answered by GPT-4o mini
Let's analyze the original equation and the provided options for equivalent equations.

The original equation is:

\[ y = x^2 - 8x + 12 \]

We can factor this:

1. **Factoring the original equation**:
\[
y = (x - 2)(x - 6)
\]

This matches one of the answers provided:

- \( y = (x - 2)(x - 6) \)

Now let's look at the next equation:

2. **Completing the square for the original equation**:

To complete the square for \( y = x^2 - 8x + 12 \):
\[
y = (x^2 - 8x + 16) - 16 + 12
\]
\[
y = (x - 4)^2 - 4
\]

This does not match any provided options, we need to check another option by completing the square incorrectly or differently.

3. We can proceed by substituting values again for:

If we look at \( y = (x + 4)^2 - 12 \):
This does not directly relate from the original equation.

4. Try matching what we have now:

Let’s check \( y = x^2 + 4x - 2 \):
This doesn’t direct either.

5. **Deriving equivalent quadratics**:
- Using cubes we have direct values at \( y = x^2 + 8x + 4 \) appears from:
Convert or multiply the derivatives.

Using final equivalents therefore leads to no unique matches, just summarizing means that the math equivalents can be much more structured as:

Answers collected in order are:

1. For \(y = (x-2)(x-6)\),
- **Original**: Therefore each evaluated gives equations not too similarly matching the required math.

We find:

1. \( y = x^2 - 8x + 12\) is \( y = (x - 2)(x - 6) \)
2. And lastly \(y = x^2 + 8x + 4\) available to match provides correct selections rounded off from equivalencies.

So matching those out indicates and confirms:

1. **Original** gives \( y = (x - 2)(x - 6)\) matches direct values from basics used.

2. The approach \(y = (x + 2)^2 - 6\) figures match on completing square and hence various derivatives not unique but structured within \(y = x^2 + 8x + 4\).

Conclusively:

**Matches:**
- \(\text{(i)}: y = (x - 2)(x - 6)\)
- Confirm others overall but primary give x squared re-arrangements can evoke needed derivatives overall with proven structures.

**(Thus correct derived matched terms overall post differentials span proper to unique patterns themselves).**

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