A line passes through the points (-4,-8) and (6,10). Write an equation that represents a line parallel to this line.
1 answer:
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The line is already written in the
form. This means that
is the slope. If two lines are perpendicular, their slopes are the anti-inverse of each other, i.e. their product is -1.
So, our perpendicular line has a slope of
Finally, we want a line passing through (1,1) with slope :
To find the final term to compete the square you need to divide the 'x' term by 2 then square it
- equivalent equation