5.2.3 Slopes of Parallel and Perpendicular Lines − Practice (continued)
7. Write an equation in slope-intercept form for the line containing the point (2, 1) and parallel to y = − x .
8. Write an equation in slope-intercept form for the line perpendicular to y = 2 x − 3 that passes through the point ( − 3, − 3).
5 3
1 3
9. Write an equation in slope-intercept form for the line containing the point (0, 7) and perpendicular to y = − + x .
5 4
11 4
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