Decide whether each statement in Exercises 1-5 is true or false. If the statement is false, tell why.
1. The point (-1,3) lies in quadrant III of the rectangular coordinate system.
2. The distance from (x1, yı) to (X2, y2) is given by the expression
V(x - y)2 + (x2 - y2).
3. The distance from the origin to the point (a, b) is Va? + b2.
4. The midpoint of the segment joining (a, b) and (3a, – 3b) has coordinates (2a, - b).
5. The graph of y = 2x + 4 has x-intercept – 2 and y-intercept 4.