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Mathematics 21 Online
OpenStudy (anonymous):

Choose the equation of the horizontal line that passes through the point (-5, 1).

OpenStudy (anonymous):

@precal

OpenStudy (anonymous):

x = -5?

jimthompson5910 (jim_thompson5910):

plot a few points that are directly to the left or to the right of (-5,1)

jimthompson5910 (jim_thompson5910):

name some of those points for me please

OpenStudy (anonymous):

yeah tht just plots one point dude

OpenStudy (anonymous):

so im right?

jimthompson5910 (jim_thompson5910):

helpmeeplease, what are some points directly to the left or to the right of (-5,1)

OpenStudy (anonymous):

(-6,1) (-4,1)

OpenStudy (anonymous):

i dont know how to answer that (-6,1)??

jimthompson5910 (jim_thompson5910):

it helps to actually plot a bunch of points that lie on a horizontal line that goes through (-5, 1)

OpenStudy (anonymous):

x = -5 is wrong?

jimthompson5910 (jim_thompson5910):

x = -5 is the equation that plots a line where every point on that line has an x coordinate of -5

OpenStudy (anonymous):

thts an x thingy i forget what its called but thts half of a plot

OpenStudy (anonymous):

its a straight up down line

OpenStudy (anonymous):

y = -5 x = 1 y = 1 x = -5 these are my answers

OpenStudy (anonymous):

thts vertical u need a horizontal line

OpenStudy (anonymous):

its -5 on the x cord.

OpenStudy (anonymous):

|dw:1375323178504:dw| thts what it needs to look like

OpenStudy (anonymous):

im confused what do i need to do aftter tht

OpenStudy (anonymous):

thts all u need to do is make a straight line on the (-5,1) plot tht goes horizontal

OpenStudy (anonymous):

am i right?

OpenStudy (anonymous):

y = -5 x = 1 y = 1 x = -5

OpenStudy (anonymous):

this is what i have to work with

OpenStudy (anonymous):

so u have to make a vertical line?

OpenStudy (anonymous):

i guess

OpenStudy (anonymous):

ok tht makes a sense just add a y intercept to the problem x=-5 so u make y=mx+b right?

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