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5 3 2 -5 -3 -2 -1 9 2 3 4 5 2. 17) Which equation best represents the graph above? © y=x+2 > y = 20 Dy= 2r + 2

5 3 2 -5 -3 -2 -1 9 2 3 4 5 2. 17) Which equation best represents the graph above-example-1
User Lois
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1 Answer

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We are given the graph of a line that passes through the origin. Therefore, it must be of the form:


y=mx

We also notice that the line passes through the point (x, y) = (1, 2). Replacing the point in the equation:


\begin{gathered} 2=m(1) \\ 2=m \end{gathered}

Replacing the value of "m":


y=2x

Therefore, the equation of the given line is y = 2x

User Rebecca Close
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