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Precalculus Examples
Step-by-Step Examples
Precalculus
Vectors
Find the Variables
[
4
−
3
4
5
]
=
[
4
x
4
y
]
[
4
-
3
4
5
]
=
[
4
x
4
y
]
Step 1
The
matrix
equation
can be written as a
set
of
equations
.
4
=
4
4
=
4
−
3
=
x
-
3
=
x
4
=
4
4
=
4
5
=
y
5
=
y
Step 2
Rewrite the
equation
as
x
=
−
3
x
=
-
3
.
x
=
−
3
x
=
-
3
5
=
y
5
=
y
Step 3
Rewrite the
equation
as
y
=
5
y
=
5
.
y
=
5
y
=
5
x
=
−
3
x
=
-
3
Step 4
List all of the
solutions
.
y
=
5
,
x
=
−
3
y
=
5
,
x
=
-
3
Enter YOUR Problem
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⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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