laraib78696 laraib78696
  • 19-11-2018
  • Mathematics
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Work out the equation of the line which has a gradient of -2 and passes through the point (1,7)

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 19-11-2018

point slope form of a line

y-y1 = m(x-x1)

y-7 = -2 (x-1)

if you want it in slope intercept form

y-7 = -2x +2

add 7 to each side

y = -2x +9

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