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your answer is a

step-by-step explanation:

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225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

sites:

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4