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OpenStudy (anonymous):
The value of y varies directly with x, and y = - 18 when x = 6. Find y when x = - 8.
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OpenStudy (mertsj):
y=kx is the equation for a direct variation. Plug in y and x and find k.
OpenStudy (mertsj):
What did you get for k?
OpenStudy (mertsj):
It's very difficult to help you if you won't answer me.
Directrix (directrix):
y=kx -18 = k(6) -3 = k y = (-3)* (-8) y = 24
OpenStudy (anonymous):
Ohh dang my bad, was watching a movie
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