8.3 USING SLOPES IN PROBLEMS

If the three points (3 , - 5), ( - a + 2 , 3), ( 2a + 3 , 2 ) then what is the value of a?

• 1/4

• 5/7

• -7/23

• -6/22

Graph the line passing through (1,2) with m= 1/3

Suppose P is the point (5 , 3) and Q is the point ( - 3, 6)

• (1, 4.5)

• (-1 , 4)

• (4.5, -1)

• (-11 , 9)

Let point A be (2,7) and ( -6, -3). What point is on the segment connecting A and B such that the distance from point B is 4 times from the point to A?