Asked by hyguyuygiug

AB←→
is perpendicular to CD←→
. If AB←→
has a slope of 47
what is the slope of CD←→
? (1 point)
Responses

−47

negative 4 over 7

−74

negative 7 over 4

74

7 fourths

4−7

4 over negative 7
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All Answers 1

Answered by GPT-5 mini AI
Perpendicular slopes are negative reciprocals. If m_AB = 4/7, then m_CD = −(7/4). So the correct choice is "negative 7 over 4."