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krissywatts
 2 years ago
write an equation in slopeintercept form of the line whose yintercept is 3 and the line is perpendicular line whose equation is 3x2y=9 what is the slope intercept form?
i need step by step help please
krissywatts
 2 years ago
write an equation in slopeintercept form of the line whose yintercept is 3 and the line is perpendicular line whose equation is 3x2y=9 what is the slope intercept form? i need step by step help please

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ghass1978
 2 years ago
Best ResponseYou've already chosen the best response.0slope intercept form means y=mx+n m is the slope n the yintercept n=3 you still need m you know that if 2 lines are perpendicular ,the product of their slopes is 1 first thing now is to determine the slope of 3x2y=9

krissywatts
 2 years ago
Best ResponseYou've already chosen the best response.0i get 2y=3/2x9/2 correct

krissywatts
 2 years ago
Best ResponseYou've already chosen the best response.0then my final answer should be y=3/2x3 correct

heradog
 2 years ago
Best ResponseYou've already chosen the best response.0if you have 2y=3x+9 then divide all by 2 you get either y=(3/2)x+(9/2) or you can factor to 3(x3)/2 \[\frac{ 3(x3)}{ 2}\] I prefer the first one which would look like \[\frac{ 3 }{ 2 }x+\frac{ 9 }{ 2 }\]

heradog
 2 years ago
Best ResponseYou've already chosen the best response.0sorry I messed that up hang on a second

heradog
 2 years ago
Best ResponseYou've already chosen the best response.0yeah so it should be (3x+9)/2 which is \[\frac{ 3 }{ 2 }x\frac{ 9 }{ 2 }\]

krissywatts
 2 years ago
Best ResponseYou've already chosen the best response.0okay and the final answer should be y=3/2x3 or y=2/3x3?

krissywatts
 2 years ago
Best ResponseYou've already chosen the best response.0@heradog ya there lol

heradog
 2 years ago
Best ResponseYou've already chosen the best response.0sorry trying to do one of mine. yes y=2/3x3

heradog
 2 years ago
Best ResponseYou've already chosen the best response.0because your perpendicular line is a negative reciprocal of the original one so the original was (3/2) and the negative reciprocal is (2/3)

heradog
 2 years ago
Best ResponseYou've already chosen the best response.0and they give you the y intercept of 3 or b
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