Solve the Logarithmic Equation $\log _ { 7 } x ^ { 2 } = \log _ { 7 } ( 8 x + 9 )$

question 164

Multiple Choice

Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic
expressions. Give the exact answer.
- $\log _ { 7 } x ^ { 2 } = \log _ { 7 } ( 8 x + 9 )$

• A) \(\{ 9 , - 1 \}\)
• B) \(\{ 9 \}\)
• C) \(\left\{ \frac { 9 } { 7 } \right\}\)
• D) \(\varnothing\)

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