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15 August, 19:03

Equation of a line intersecting at - 3 on x axis and 3 y axis

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  1. 15 August, 20:05
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    Step-by-step explanation:

    hello:

    an equation is : y=ax+b

    a line intersecting at - 3 on x : when x=-3 y=0 means : 0=a (-3) + b ... (*)

    a line intersecting at 3 on y axis : when x=0 y=3 means : 3 = a (0) + b ... (**)

    by (**) : b=3 put this value in (*) : 0 = - 3a+3 so a = 1

    an equation is : y = x+3
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