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College Math

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Using EZgraph, graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph.

3. 4.9x – 7.2y = 2.3

4. 2x = -8

5. 3.7x + 4.2y = 5.03

  • College Math - ,

    3. 4.9x - 7.2y = 2.3.
    m = -A/B.
    x-Intercept Let y = 0 and calculate x.
    y-Int. = C/B.
    OR Let x = 0 and calculate y.

    4. 2x = -8.
    X = -4.
    This is a ver. line., and it is 4 units to the left of the y-axis.
    m = -A/B = -2/o = Undefined.
    x-int. = -4.
    y-int. = C/B = -4/0 = Undefined.

    5. Same procedure as #3.

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