if the point (3,a) in on the graph of 3y=4x-1, what is the value of a
Thank you for the opportunity to help you with your question!
3y=4x-1 can as well be written as y=4/3x-1/3
in the equation 4/3 is the gradient while -1/3 is y intercept
But at y intercept x =0; two points are (3,a) and (0,-1/3)
(a+1/3)/3=4/3 the multiply both side by 3
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