Question

Triangle DEF will be rotated 180° clockwise. Where will D’ be located?

a. (4, -7)
b. (-4, -7)
c. (-7, 4)
d. (-7, -4)

Answer 1

a. (4, -7)

Explanation:

Answer 2

a. (4, -7)

Explanation:

Point D is at (-4,7).

Rule for a 180° rotation clockwise around the origin:

`(x,y)\rightarrow(-x,-y)`

Apply the rule to point D:

`(-4,7)\rightarrow(4,-7)\\\\\left \{ {{-4*-1=4} \atop {7*-1=-7}} \right.`

Option A should be the correct answer.

Brainilest Appreciated.