Homework Help: math

Posted by Anonymous on Wednesday, October 3, 2012 at 3:24pm.

4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F?

a. square root of 52
b. square root of 28
c. 10
d. square root of 20

5. In which quadrant is the point (x, y) located if x is negative and y is positive?

a. II
b. III
c. IV
d. I

6. Point A(8, –10) is reflected over the y-axis. Write the coordinates of A'.

a. (–8, –10)
b. (8, 10)
c. (8, –10)
d. (–8, 10)

math - Henry, Thursday, October 4, 2012 at 5:34pm
4. E(2,-2), F(4,-6).
d^2 = (4-2)^2 + (-6-(-2))^2 = 20
d = sqrt(20).
.
5. a.

6. Change sign of x:
(-8,-10).
math - Kishka, Friday, October 19, 2012 at 12:20pm
4. The answer is c. 10
henry is wrong.
math - lala, Friday, November 2, 2012 at 10:22am
Point A(8, –10) is reflected over the y-axis. Write the coordinates of A'.

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