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Which equation represents a line which is perpendicular to the line y=-(4)/(5)x+2 ? 5x+4y=28 4x-5y=-25 Submit Answer 4y-5x=-12 4x+5y=-30

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Final answer:

The equations that represent lines perpendicular to y = -(4/5)x + 2 are the ones with slopes that are the negative reciprocals of the original slope. The equations 5x + 4y = 28 and 4y - 5x = -12 have the slope of 5/4, which is the negative reciprocal of -4/5, making them perpendicular to the given line.

Step-by-step explanation:

The question asks which equation represents a line that is perpendicular to the line y = -(4/5)x + 2. To find a line that is perpendicular, we look for a line with a slope that is the negative reciprocal of the original line's slope. Since the slope of the given line is -4/5, the slope of the perpendicular line must be 5/4.

Now, let's analyze the given choices:

  • 5x + 4y = 28: To find the slope, we rearrange to y = -5/4x + 7, which has the correct slope of 5/4.
  • 4x - 5y = -25: Rearranging to y = 4/5x + 5, which has a slope of 4/5, not perpendicular to the original line.
  • 4y - 5x = -12: Rearranging to y = 5/4x - 3, which has the correct slope of 5/4.
  • 4x + 5y = -30: Rearranging to y = -4/5x - 6, which has a slope of -4/5, not perpendicular to the original line.

Therefore, the equations 5x + 4y = 28 and 4y - 5x = -12 both represent lines that are perpendicular to y = -(4/5)x + 2 because they both have a slope of 5/4.

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