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Mathematics 13 Online
OpenStudy (anonymous):

Math help please!!!

OpenStudy (anonymous):

OpenStudy (anonymous):

M = ? B = ?

OpenStudy (anonymous):

M = 3/2 B = 5

jimthompson5910 (jim_thompson5910):

m = 3/2 is the given slope

jimthompson5910 (jim_thompson5910):

we want the perpendicular slope, so we flip the fraction 3/2 ----> 2/3 and we flip the sign 2/3 ---> -2/3

OpenStudy (anonymous):

I got other answer I need help with this

jimthompson5910 (jim_thompson5910):

making -2/3 to be the perpendicular slope

OpenStudy (anonymous):

I say B

jimthompson5910 (jim_thompson5910):

B?

OpenStudy (anonymous):

for this one

jimthompson5910 (jim_thompson5910):

B is correct for that one

OpenStudy (anonymous):

its wrong @jim_thompson5910

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

oh sry, not thinking

jimthompson5910 (jim_thompson5910):

they are equivalent lines since they trace out the same path exactly

OpenStudy (anonymous):

so whats this one ?

jimthompson5910 (jim_thompson5910):

what's the slope of that given line?

OpenStudy (anonymous):

-1/2

OpenStudy (anonymous):

M = -1/2 B = 3 I need get 5 in a row right so please double check! i cant fail!

jimthompson5910 (jim_thompson5910):

B = 3 isn't true

jimthompson5910 (jim_thompson5910):

draw a parallel line through that point then figure out where it crosses the y axis

OpenStudy (anonymous):

can you give me b?

OpenStudy (anonymous):

it crosses at 3/

OpenStudy (anonymous):

or is it B = 6?

jimthompson5910 (jim_thompson5910):

nope not b = 6

jimthompson5910 (jim_thompson5910):

try this, solve for b y = mx + b y = (-1/2)*x + b -5 = (-1/2)*(-5) + b b = ??

OpenStudy (anonymous):

B = -7 ?? @jim_thompson5910

jimthompson5910 (jim_thompson5910):

very close

jimthompson5910 (jim_thompson5910):

but no, b = -7 is not the answer

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