Filter
Top Products
TI-83 PlusMatrices257
4.Press
2
Í
3
Í
3
Í
to complete the
first row for X + 2Y + 3Z = 3.
5.Press
2
Í
3
Í
4
Í
3
Í
to enter
the second row for 2X + 3Y + 4Z = 3.
6.Press
y
5
to return to the home screen. If
necessary, press
‘
to clear the home
screen. Press
y
>
~
to display the
MATRX MATH
menu. Press
}
to wrap to the end
of the menu. Select
B:rref(
to copy
rref(
to the
home screen.
7.Press
y
>
1
to select
1: [A]
from the
MATRX NAMES
menu. Press
¤
Í
. The
reduced row-echelon form of the matrix is
displayed and stored in
Ans
.
1X
N
1Z =
L
3 therefore X =
L
3 + Z
1Y + 2Z = 3 therefore Y = 3
N
2Z