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Which of the following equations correctly describes the graphed line?

y = 2/3x - 2


y = -2/3x - 2


y = 2/3x + 2


y = -2/3x + 2

Which of the following equations correctly describes the graphed line? y = 2/3x - 2 y-example-1
User Temu
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1 Answer

5 votes

y = -
(2)/(3) x - 2

the equation of a line in ' slope - intercept form ' is

y = mx + c ( m is the slope and c the y- intercept ) calculate m using the gradient formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0 , - 2 ) and (x₂ , y₂ ) = A( 6 , - 6 )

m =
(- 6+ 2)/(6 - 0) =
(-4)/(6) = -
(2)/(3)

y -intercept c = - 2 ( from graph )

y = -
(2)/(3) x - 2


User Agradl
by
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