<span>Last
year, the average math SAT score for students at one school was 475. The
headmaster then introduced a new teaching method hoping to improve scores. This
year, the mean math SAT score for a sample of students was 491. The headmaster
concluded that the new teaching method produces higher SAT scores. The problem
with reporting results this way is voluntary response. The information of how
the teaching method isnot mentioned.</span>
Answer:
The new points to the triangle will be:

Step-by-step explanation:
Because the reflection point is at
, all x values will subtract their distances from
to get their new values. The y values remain the same.
The starting values are:

Point
is 1 unit away from
, so we'll subtract 1 from 2 to get the new x value:
, so
.
Point
is also 1 unit away from
, so we'll subtract 1 from 2 to get the new x value:
, so
.
Point
is 3 units away from
, so we'll subtract 3 from 2 to get the new x value:
, so
.