50
Math Tools
Input each guess and press
<
.
Calculate the value of
f(8)
on the Home
screen.
% s I
2
Selects
f(
8
) <
The support of £450 per month will last for 8 months since
y
(8) = 3600 - 450(8) = 0 as
shown in the table of values.
³
Problem
Find the intersection of the lines f(x)=
L
2x+5 and g(x)=x-4.
I
1
- M
2
z T
5
< - z U
4
<
2
<
1
Select
Auto
< <
< $
The two lines intersect at (x,y) = (3,
L
1).
Matrices
In addition to those in the Matrix
MATH
menu, the following matrix operations are
allowed. Dimensions must be correct:
•
matrix
+
matrix
•
matrix
–
matrix
•
matrix
×
matrix
•
Scalar multiplication (for example, 2 ×
matrix
)
•
matrix
×
vector
(
vector
will be interpreted as a column vector)
