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13-09-2019
Mathematics

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Write an equation in slope intercept form for each line that passes through (-7, -4), perpendicular to y=1/2x +9

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15-09-2019

Answer:

y = -2x - 18

Step-by-step explanation:

-4 = -2[-7] + b

14

-18 = b

y = -2x - 18

↑

rate of change [slope]

* Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE RATE OF CHANGES [SLOPES]:

½ → -2

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