Determine the product of the roots of the equation x² + 6x + 9 = 0. (2021)

Practice Questions

Q1
Determine the product of the roots of the equation x² + 6x + 9 = 0. (2021)
  1. 9
  2. 6
  3. 3
  4. 0

Questions & Step-by-Step Solutions

Determine the product of the roots of the equation x² + 6x + 9 = 0. (2021)
  • Step 1: Identify the equation given, which is x² + 6x + 9 = 0.
  • Step 2: Recognize that this is a quadratic equation in the form ax² + bx + c = 0.
  • Step 3: Identify the values of a, b, and c from the equation: a = 1, b = 6, c = 9.
  • Step 4: Use the formula for the product of the roots of a quadratic equation, which is given by c/a.
  • Step 5: Substitute the values of c and a into the formula: c/a = 9/1.
  • Step 6: Calculate the result: 9/1 = 9.
  • Step 7: Conclude that the product of the roots of the equation is 9.
  • Quadratic Equations – Understanding the standard form of a quadratic equation and how to find the product of its roots using the formula c/a.
  • Vieta's Formulas – Application of Vieta's formulas to determine relationships between the coefficients of a polynomial and its roots.
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