Intersecting, Parallel or Perpendicular Lines
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The line y=0.15x + 0.79 represents an estimate of the average cost of gasoline each year. The line 0.11x-y=-0.85 estimates the price of gasoline in January of each year. Will the lines be intersecting, parallel, or perpendicular?
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The solution thoroughly investigates intersecting, parallel or perpendicular lines. The solution is detailed and well presented.
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The given lines are y=0.15x + 0.79 and 0.11x-y=-0.85. Transposing the terms, the equation to the second line can be written as y=0.11x+0.85.
We know that in the form of the line y=mx+c, 'm' indicates the slope of the line.
And two lines ...
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