Algebra

Graph the line using a point and a slope. Write the equation of each line.

a line that contains the point (0, −3) and perpendicular to another line whose slope is 2.

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  1. perpendicular slopes are negative reciprocals

    the new line has a slope of ... -1/2

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  2. I won't give the equation, but here's some advice to help. Turn the slope of 2 into a fraction. Also, the slope of a perpendicular line is always the negative reciprocal. This should give you the slope, and you can graph the line to find the y-intercept, giving you the equations of the lines.
    ~Dog_Lover

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  3. (0, -3), m = -1/2 = -0.5,
    Y = mx + b.
    m = -0.5.
    b = y - mx = -3 - (-0.5)0 = -2.5.

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  4. use point-slope for the equation ... y + 3 = -1/2 x

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  5. Correction to my Eq; b = y - mx = -3 - (-0 5)0 = -3.

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