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March 3, 2015

March 3, 2015

Posted by **Cheryl** on Friday, May 6, 2011 at 10:11am.

a. 11.4

b. 12.1

c. 31.4

d. 23.7

is the answer c?

2. Find the distance between the pair of points. Round to the nearest tenth, if necessary. (-10, -8) and (-3, 12)

a. 13.6

b. 21.2

c. 23.4

d. 15.1

is the answer b?

3. The coordinates of the endpoints of a segment are given. Find the coordinates of the midpoint of the segment. G(-7, 7), H(-1, 7)

a. (4,-8)

b. (7,-4)

c. (-4,7)

d. (-3.5,7)

is the answer a?

4. The coordinates of the endpoint of a segment are given. Find the coordinates of the midpoint of the segment. A(4, 12), B(2, -2)

a. (8,0)

b. (3,5)

c. (4,7)

d. (6,10)

is the answer c?

Just check these: tell me what I got wrong and try and help me get the right answer. Please.

- Algebra: Check please -
**Reiny**, Friday, May 6, 2011 at 10:22am1. and 2. are correct

Both of your midpoints are wrong.

To get the midpoint, ADD the x's and divide by 2, then add the y's and divide by 2

so

3. for the x's (-7 + (-1))/2 = -4

for the y's (7+7)/2 = 7

midpoint is (-4,7) which would be c)

try 4. the same way and you should get (3,5)

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