Question

fan & medal !
1.The equation of line CD is (y−3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD?
2.The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point (3, −2).
3.The equation of line QR is y = negative 1/2x + 1. Write an equation of a line perpendicular to line QR in slope-intercept form that contains point (5, 6).
4.Line WX contains (−1, 2) and (4, 12) Line YZ contains points (5, 8) and (−2, −6). Lines WX and YZ are
5.Line CD contains points A (4, −7) and B (4, 8).
The slope of line CD