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what is the quotient? \\\\frac{3y+2}{3y} \\div \\frac{6y^2+4y}{3y+2}\\ …

Question

what is the quotient?

\\\frac{3y+2}{3y} \div \frac{6y^2+4y}{3y+2}\\

  • \\(\frac{1}{2y}\\)
  • \\(\frac{3y+2}{6y^2}\\)
  • \\(\frac{1}{y}\\)
  • \\(\frac{2(3y+2)}{3}\\)

Explanation:

Rewrite division as multiplication

Using the Greatest Common Factor knowledge point

$$ \frac{3y+2}{3y} \div \frac{6y^2+4y}{3y+2} = \frac{3y+2}{3y} \cdot \frac{3y+2}{6y^2+4y} $$

Factor the denominator

Using the Greatest Common Factor knowledge point

$$ 6y^2 + 4y = 2y(3y + 2) $$

Substitute and simplify

Using the Greatest Common Factor knowledge point

$$ \frac{3y+2}{3y} \cdot \frac{3y+2}{2y(3y+2)} = \frac{3y+2}{3y \cdot 2y} = \frac{3y+2}{6y^2} $$

Answer:

  • (A) \(\frac{1}{2y}\)
  • (B) \(\frac{3y+2}{6y^2}\) (Correct answer)
  • (C) \(\frac{1}{y}\)
  • (D) \(\frac{2(3y+2)}{3}\)