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Mathematics 8 Online
OpenStudy (chycora):

What is the straight-line distance between (-2, -3) and (-6, -5) on a coordinate graph? A. http://diagnostic.achievementseries.com/cdn//1/_graphics_math_19900a/9ca6b42e-3a88-4d9e-ad0e-70b166b0ab49.gif B. 4 C. 5 D. http://diagnostic.achievementseries.com/cdn//1/_graphics_math_19900/72871c0f-3117-4ff2-9271-2934438db0d1.gif

OpenStudy (chycora):

@Haseeb96

OpenStudy (chycora):

@Abhisar @Preetha @dan815

OpenStudy (chycora):

@jeffyblood

OpenStudy (chycora):

@Zackinblack @AriPotta @coolman500

OpenStudy (chycora):

@epicjellypanda

OpenStudy (anonymous):

Sorry, I don't know this one

OpenStudy (chycora):

ok

OpenStudy (chycora):

@dezz_theoffical101 @linn99123

OpenStudy (chycora):

@pandaluvs @phi

OpenStudy (phi):

people use the "distance formula" \[ d = \sqrt{ (x_2 - x_1)^2 + (y_2 - y_1)^2 } \] does that ring any bells?

OpenStudy (phi):

the distance formula is really the pythagorean theorem \[ x^2 + y^2 = c^2 \]

OpenStudy (chycora):

yes but were do rthe numbers go

OpenStudy (phi):

do you know how to plot points ?

OpenStudy (chycora):

yes

OpenStudy (phi):

ok, here is a rough sketch of your two points (-2, -3) and (-6, -5)|dw:1431025668942:dw|

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