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2 November, 09:01

Find an equation of the line that passes through (4,5) and that line is parallel to y=3x+2. Give the answer in slope-Intercept form

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  1. 2 November, 09:05
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    y = 3x - 7

    Step-by-step explanation:

    The equation of a line in slope - intercept form is

    y = mx + c (m is the slope and c the y - intercept)

    y = 3x + 2 ← is in slope - intercept form

    with m = 3

    Parallel lines have equal slopes, thus

    y = 3x + c ← is the partial equation

    To find c substitute (4, 5) into the partial equation

    5 = 12 + c ⇒ c = 5 - 12 = - 7

    y = 3x - 7 ← equation of line
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