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Mathematics 8 Online
OpenStudy (howard-wolowitz):

ONE QUESTION!

OpenStudy (bee_see):

B

OpenStudy (anonymous):

Gradient = Distance Up / Distance Left it goes down 2 for every 3 it moves left. The gradient is therefore -2/3

OpenStudy (howard-wolowitz):

so you guys disagree

OpenStudy (howard-wolowitz):

@Michele_Laino

OpenStudy (bee_see):

ooh, i was reading my values wrong.

OpenStudy (michele_laino):

hint: the line at the right place passes at point (0,0) and at point (3,-2) so we have to write its equation

OpenStudy (howard-wolowitz):

ok but

OpenStudy (howard-wolowitz):

you think its B michele

OpenStudy (bee_see):

it's D.

OpenStudy (bee_see):

https://www.desmos.com/calculator

OpenStudy (michele_laino):

hint: the equation of the line at the right place is: \[\frac{{y - 0}}{{ - 2 - 0}} = \frac{{x - 0}}{{3 - 0}}\] please simplify

OpenStudy (howard-wolowitz):

0.3x

OpenStudy (michele_laino):

no, y=-2/3 x now please the line at left passes at point (0,0) and (-3,-2) so please simplify this equation: \[\frac{{y - 0}}{{ - 2 - 0}} = \frac{{x - 0}}{{ - 3 - 0}}\]

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