Math Problem Statement

What are the x-intercepts of the quadratic equation y = (2x - 3)(x - 6)?

Solution

To determine the x-intercepts of the quadratic equation given as y=(2x3)(x6)y = (2x - 3)(x - 6), we need to find the values of xx that make y=0y = 0.

Step-by-Step Solution:

  1. Set the equation to zero: (2x3)(x6)=0(2x - 3)(x - 6) = 0

  2. Solve for each factor:

    • For 2x3=02x - 3 = 0: 2x3=0    2x=3    x=32=1.52x - 3 = 0 \implies 2x = 3 \implies x = \frac{3}{2} = 1.5

    • For x6=0x - 6 = 0: x6=0    x=6x - 6 = 0 \implies x = 6

  3. Find the x-intercepts: The x-intercepts are the points where y=0y = 0. Thus, the intercepts are: (1.5,0)and(6,0)(1.5, 0) \quad \text{and} \quad (6, 0)

Final Answer:

The correct choice is Item 4: (1.5,0)(1.5, 0) and (6,0)(6, 0).

Would you like more details or have any questions about this solution?

Here are 5 related questions that might help deepen your understanding:

  1. How do you factor a quadratic equation to find its x-intercepts?
  2. What are the key differences between standard form and factored form of a quadratic?
  3. How can you verify x-intercepts by plugging them back into the original equation?
  4. How do x-intercepts relate to the graph of a quadratic function?
  5. What other methods can you use to find the x-intercepts of a quadratic equation?

Tip: For any quadratic equation in factored form, the x-intercepts can be found by setting each factor equal to zero and solving for xx.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Equations
Factoring

Formulas

Quadratic equation in factored form: y = (2x - 3)(x - 6)

Theorems

Zero Product Property

Suitable Grade Level

Grades 8-10