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Algebra Examples
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Algebra
Find the Points of Intersection y=-5^(-x) , y=x+5
y
=
−
5
−
x
y
=
-
5
-
x
,
y
=
x
+
5
y
=
x
+
5
Step 1
Eliminate
the equal sides of each
equation
and
combine
.
−
5
−
x
=
x
+
5
-
5
-
x
=
x
+
5
Step 2
Graph
each side of the
equation
. The
solution
is the x-value of the
point
of
intersection
.
No
solution
Step 3
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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