Answered

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Given J(-8,-5) and L(6,-11), if K(r - 4, 2s) is the
midpoint of JL, which correctly gives the values
of r and s?

Sagot :

Answer:

r = 3, s =  -4

Step-by-step explanation:

First, you can find the mid-point of the line.  Look at the distance between the x values and the 7 values the dived those numbers by 2.

X   the distance between -8 and 6 is 14 units.  14 divided by 2 is 7.

     to find the x mid-point either move 7 points from either of the x values you are given.  -8 plus 7 units would be -1.  7 points to the left of 6 would also put you at -1.

Y  the distrance between -5 and -11 is 6 units.  6 divided by 2 is 3.

    move 3 units from either of the y values and you end up at -8

So your mid-point is at ( -1, -8 ).  To get the results for r, add 4 to the x value of your mid-point.  To get your value for s, divide your y value for the mid-point by 2.

r = 3

s = -4

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