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Mathematics 11 Online
OpenStudy (anonymous):

write the equation of the line with m = 7, and y-intercept (0,-9) in slope-intercept form. A. y = 9x - 7 B. y = -7x +9 C. y = -9x + 7 D. y = 7x - 9

Directrix (directrix):

D. y = 7x - 9 y = mx + b y = 7x + (-9)

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