Determine the value of B such that the line defined by 8x + By + 92 = 0 passes through the point (-4,12).
1 answer:
8x + By + 92 = 0 (-4; 12) ⇒ x = -4; y = 12 subtitute 8 · (-4) + 12B + 92 = 0 -32 + 12B + 92 = 0 12B + 60 = 0 |subtract 60 from both sides 12B = -60 |divide both sides by 12B = -5
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