Which of the Following Pairs of Lines Are Perpendicular?
A) $y = \frac { 1 } { 5 } x - 5$

question 74

Multiple Choice

Which of the following pairs of lines are perpendicular?

• A) \(y = \frac { 1 } { 5 } x - 5\) ; \(y = 5 x - 7\)
• B) \(y = \frac { 1 } { 5 } x - 5\) ; \(y = \frac { 1 } { 5 } x + 6\)
• C) \(y = \frac { 1 } { 5 } x - 5\) ; \(y = - 5 x + 7\)
• D) \(y = \frac { 1 } { 5 } x - 5\) ; \(y = - \frac { 1 } { 5 } x + 6\)

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