Parallel and perpendicular

Answer the following:

1. Line A: y = 3x + 2. Give the gradient of a line parallel to A.
2. Line B: y = -2x + 5. Give the gradient of a line perpendicular to B.
3. Are y = 4x - 1 and y = 4x + 7 parallel, perpendicular, or neither?
4. Find the equation of the line parallel to y = 2x + 1 passing through (0, 5).
5. Find the equation of the line perpendicular to y = 3x - 2 passing through (3, 1).

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