Determine Whether the Two Given Lines Are Perpendicular $$- 3 x + 9 y = 27$$

question 64

Multiple Choice

Determine whether the two given lines are perpendicular.
- $$- 3 x + 9 y = 27$$

• A) \(- \frac { 1 } { 3 } ; ( 0 , - 3 )\)
• B) \(- 3 ; ( 0,3 )\)
• C) \(3 ; ( 0 , - 3 )\)
• D) \(\frac { 1 } { 3 } ; ( 0,3 )\)

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