ACT Practice Test-test

ACT Practice Test-test

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The graph below shows a straight line passing through points A(1,2) and B(4,8).Which of the following is the equation of the line?

( y = 2x + 1 )

( y = dfrac{3}{2}x + 1 )

( y = 2x )

( y = dfrac{4}{3}x + dfrac{2}{3} )

X