Choose the slope-intercept equation of the line that passes through the point (-5, -1) and is perpendicular to y = 5/2x + 2.
A. y = 2/5x + 1
B. y = -5/2x -27/2
C. y = -2/5x - 3
D. y = 5/2x + 23/2
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OpenStudy (anonymous):
What is the slope of this line: y = 5/2x + 2?
OpenStudy (anonymous):
idk
OpenStudy (anonymous):
is it like the same thing we did last time?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
oh. i forgot how to do this then
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OpenStudy (anonymous):
have you seen this equation before: y=mx+b?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
m is the slope is
If you look at the equation y = 5/2x + 2, can you see how it's the same format?
OpenStudy (anonymous):
oh yeah
OpenStudy (anonymous):
So if you compare it to the format of y=mx+b, and if "m" represents the slope, can you find the slope of y = 5/2x + 2?
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OpenStudy (anonymous):
so is the answer D?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
But you are close.
OpenStudy (anonymous):
The question asked for a perpendicular line to y = 5/2x + 2
OpenStudy (anonymous):
That means that it will be negative inverse
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OpenStudy (anonymous):
so it will look like -2/5
OpenStudy (anonymous):
ohhhhh okay
OpenStudy (anonymous):
so its B
OpenStudy (anonymous):
no
OpenStudy (anonymous):
It's C
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OpenStudy (anonymous):
oh thank you. Im really thankful of you helping me. :)