Question

point P is located at (-2, 7), and point R is located at (1, 0). find the y value for the point Q that is located 2/3 the distance from point P to point R.


a. 4.9


b. 4.7


c. 2.5


d. 2.3

Answer 1

Just did this one.

Answer: 7/3 or about 2.3, choice (d).

Step-by-step explanation:

R-P= (3,-7). the displacement vector.

P+x(R-P) moves to x times distance between

P+(R-P) = R moves to 100% of the distance.

Q = P+2/3(R-P)

= (-2,7)+2/3(3,-7)

= (-2,7)+(2,-14/3)

= (0,7-14/3)

= (0,7/3)

= (0,2.3333...)

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