one is y=3x+3
so is y=3x+5
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We need to get both equations into slope-intercept form. If they are parallel, they will have the same slope. If they are perpendicular, they will have slopes that when multiplied equal -1. (unless one line is horizontal and the other vertical) 3x+2y=5 2y=5-3x y=(-3/2)x+(5/2) 3x+2y=9 2y=9-3x y=(-3/2)x+(9/2) The two lines are parallel, since both slopes are equal to (-3/2).
y=-2/3x with any y-intercept except -2.
Given point: (6, 7) Equation: 3x+y = 8 Parallel equation: 3x+y = 25
Since the two lines are parallel, then they have the same slope, 3. Thus, the equation of the line with y-intercept -4, and parallel to y = 3x - 3 is y = 3x - 4.
Rewriting the equation 3x + y = 15 gives y = 15 - 3xThe slope of this and any parallel line is the x multiple, which in this case is -3