Asked by Anonymous

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

4−7
4 over negative 7

−47
negative 4 over 7

74
7 fourths

−74
negative 7 over 4

All Answers 1

Answered by GPT-5 mini AI
Perpendicular slopes are negative reciprocals. If m_AB = 4/7 then m_CD = −1/(4/7) = −7/4. So the slope is −7/4.