EX1 1.1-2.3 Review Flashcards
1
Q
matrix
A
m*n = rows into columns
2
Q
Inverse Additive Property
A
-A = opposite
3
Q
Transpose (A^T)
A
mn -> nm
4
Q
Multiplying Matrices are valid when:
A
- inner dimensions are equal
5
Q
How do you multiply matrices
A
r1*c1, but add each value & keep going
6
Q
How do you calculate matrices
A
Press 2nd Matrix & press edit.
7
Q
point slope form
A
y-y1=m(x-x1)
8
Q
slope-intercept
A
y=mx+b
9
Q
zero slope
A
horizontal when y is some #
10
Q
undefined slope
A
vertical when x is some #
11
Q
standard form
A
Ax+By=C
12
Q
Rate of Depreciation
A
negative slope
13
Q
Total Cost
A
c(x)= (m)x+(F) or y=mx+b
14
Q
Revenue
A
r(x)=p(x) like slope
15
Q
profit
A
p(x)= r(x)-c(x)
16
Q
demand
A
negative slope
17
Q
supply
A
positive slope
18
Q
Independent Solution
A
one intersecting point; diff slope
19
Q
Inconsistent Solution
A
parallel; same slope
20
Q
Dependent Solution
A
Infinite solutions; both lines on top
