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# Parallel and Perpendicular Lines

1. Slope is _____
rise/run, (y2-y1)/(x2-x1), change in y /change in x, all of these
2. If the slope of a line is 3, the slope of a parallel line is
1/3, 3, -3, -1/3
3. crossword maker The slope of perpendicular lines are
equal, reciprocals, opposite, opposite reciprocals
4. If the slope of a line is 2, the slope of a perpendicular line is
2, -1/2, -2, 1/2
5. These two lines ___. y=3x%2b5 and y=2x%2b5
are parallel, intersect at the y-intercept 5., are perpendicular, not enough information
6. The slope for a line parallel to the line through the points (0,6) and (2, 2) is
2, 1/2, -2, -1/2
7. The slope for a line perpendicular to the line through the points (0,6) and (2, 2) is
2, 1/2, -2, -1/2
8. Write the equation of a line with y-intercept 6 and parallel to the line y=4x-2
y=-1/4x - 2, y=6x-2, y=-1/4x%2b6, y=4x%2b6
9. Write the equation of a line with y-intercept 0 and perpendicular to the line y=3x%2b1.
y=-1/3 x, y=1/3x, y= 3x, y=-3x