Coordinate Geometry and Distance
Quantitative Reasoning · Flashcards
QUANTITATIVE REASONING · FLASHCARDS
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QUESTION
What is the distance between
(
1
,
2
)
(1,2)
(
1
,
2
)
and
(
4
,
6
)
(4,6)
(
4
,
6
)
?
QUESTION
What is the midpoint of the segment joining
(
−
3
,
5
)
(-3,5)
(
−
3
,
5
)
and
(
1
,
−
1
)
(1,-1)
(
1
,
−
1
)
?
QUESTION
What is the distance between
(
−
1
,
−
2
)
(-1,-2)
(
−
1
,
−
2
)
and
(
2
,
2
)
(2,2)
(
2
,
2
)
?
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ANSWER
5
5
5
. Distance formula results in
s
q
r
t
(
2
−
(
−
1
)
)
2
+
(
2
−
(
−
2
)
)
2
=
s
q
r
t
9
+
16
=
5
sqrt{(2-(-1))^2+(2-(-2))^2}=sqrt{9+16}=5
s
q
r
t
(
2
−
(
−
1
)
)
2
+
(
2
−
(
−
2
)
)
2
=
s
q
r
t
9
+
16
=
5
.
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