3. A student's work is shown below. Step 1: 3x 5=44x+6 Step 2: 3x 5- 6= 4x+6-6 Step 3: 3x 11 =4x Step 4: (3x- 11)2= (4x) %3D What is the next step in the solution to this equation? O 9x?+ 121 = 4x O 9x- 66x+ 121 = 4x O 9x? + 121 = 4x? 2. O 9x - 66x + 121 = 4x

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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## A Student's Work

A student's approach to solving the given quadratic equation is shown below. Follow each step carefully.

### Step-by-Step Solution:

**Step 1:**
\[ 3x - 5 = \sqrt{4x + 6} \]

**Step 2:**
\[ 3x - 5 - 6 = \sqrt{4x + 6 - 6} \]

**Step 3:**
\[ 3x - 11 = \sqrt{4x} \]

**Step 4:**
\[ (3x - 11)^2 = (\sqrt{4x})^2 \]

---

**Question:**

What is the next step in the solution to this equation?

**Options:**

- \( \circ \) \( 9x^2 + 121 = 4x \)
- \( \circ \) \( 9x^2 - 66x + 121 = 4x \)
- \( \circ \) \( 9x^2 + 121 = 4x^2 \)
- \( \circ \) \( 9x^2 - 66x + 121 = 4x^2 \)

### Explanation and Analysis:

- **Step 1 to Step 4 Explanation:**
  - **Step 1:** Initially, the equation \( 3x - 5 = \sqrt{4x + 6} \) is presented.
  - **Step 2:** Subtracting 6 from both sides simplifies the equation to \( 3x - 11 = \sqrt{4x} \).
  - **Step 3:** Is expected to show the equation in simpler form with all constants segregated.
  - **Step 4:** Both sides of the equation are squared to eliminate the square root, leading to \( (3x - 11)^2 = (\sqrt{4x})^2 \).

Following these steps, squaring both sides results in:
\[ (3x - 11)^2 = 4x \]

---

**Identifying the Correct Next Step:**
Square the binomial on the left side and equate it to the right side:
\[ (3x - 11)^2 = 9x^2 - 66x + 121 \]

Therefore, we get:
\[ 9x^2 - 66x + 121 = 4x \
Transcribed Image Text:## A Student's Work A student's approach to solving the given quadratic equation is shown below. Follow each step carefully. ### Step-by-Step Solution: **Step 1:** \[ 3x - 5 = \sqrt{4x + 6} \] **Step 2:** \[ 3x - 5 - 6 = \sqrt{4x + 6 - 6} \] **Step 3:** \[ 3x - 11 = \sqrt{4x} \] **Step 4:** \[ (3x - 11)^2 = (\sqrt{4x})^2 \] --- **Question:** What is the next step in the solution to this equation? **Options:** - \( \circ \) \( 9x^2 + 121 = 4x \) - \( \circ \) \( 9x^2 - 66x + 121 = 4x \) - \( \circ \) \( 9x^2 + 121 = 4x^2 \) - \( \circ \) \( 9x^2 - 66x + 121 = 4x^2 \) ### Explanation and Analysis: - **Step 1 to Step 4 Explanation:** - **Step 1:** Initially, the equation \( 3x - 5 = \sqrt{4x + 6} \) is presented. - **Step 2:** Subtracting 6 from both sides simplifies the equation to \( 3x - 11 = \sqrt{4x} \). - **Step 3:** Is expected to show the equation in simpler form with all constants segregated. - **Step 4:** Both sides of the equation are squared to eliminate the square root, leading to \( (3x - 11)^2 = (\sqrt{4x})^2 \). Following these steps, squaring both sides results in: \[ (3x - 11)^2 = 4x \] --- **Identifying the Correct Next Step:** Square the binomial on the left side and equate it to the right side: \[ (3x - 11)^2 = 9x^2 - 66x + 121 \] Therefore, we get: \[ 9x^2 - 66x + 121 = 4x \
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