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anonymous

  • one year ago

Find the value of x or y for which the line through A and B has the given slope m. A(-2,3), B(4,y), m=-2/3

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  1. anonymous
    • one year ago
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    Label the coordinates of A \((x_1, y_1)\) and the coordinates of B \((x_2, y_2)\). In this case we have \(x_1 =-2\), \(y_1 = 3\), \(x_2 = 4\), and you are trying to solve for \(y_2\). Slope is calculated using\[m=\frac{ y_2-y_1 }{ x_2-x_1 }\]Substitute in the known values and solve for \(y_2\)

  2. anonymous
    • one year ago
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    what exactly do i plug in?

  3. anonymous
    • one year ago
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    The values of m, x1, y1, and x2. Everything is given except for y2 which you are to find.

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