miaruby08mt miaruby08mt

11-02-2021
Mathematics

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A line has a gradient of 4 and passes through the point (1, 9). What it's equation?

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aaryut1 aaryut1

11-02-2021

answer: y - 4x - 5= 0

Step-by-step explanation:

y - y1 = m(x - x1)
y - 9 = 4( x - 1)
y - 9 = 4x - 4
y - 4x = -4 + 9
y - 4x = 5
y - 4x - 5 = 0

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