Answer the following statement(s) true (T) or false (F)

1. If the x-coordinate of P is positive and the y-coordinate of P is negative, then P is in Quadrant IV.
2. If AB = ?7, BC = ?3 and AC = ?10, then A, B and C are collinear.
3. If M(a, b) is the midpoint of AB for A(c, d), then B has coordinates (2a–c, 2b–d).
4. If the slopes of two different lines are undefined, then the lines are parallel.
5. If the slope of a line is m, then the slope of any perpendicular line is -1/m.


1. True
2. False— AC =?7 + ?3 .
3. True
4. True
5. False; only if m ? 0

Mathematics

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