Forthenextexamples,findABandBA.
Rowsofthe1st
Bycolumnsofthe2nd
AB
BA
*Thenumberofcolumnsinthefirstmatrixmustmatchthenumberofrowsinthesecond.
Nov111:35AM
Nov111:36AM
AB
AB
BA
BA
Notpossible
Nov111:37AM
Matrices
usingthe
GraphingCalculator
Nov111:38AM
Scrol
Precalculus A
Unit 5 Test Review
Name_
Questions 1-8: Circle the correct answer. (2 points each)
5 4
Questions # 1-6: Let A 3 2
2 0
1.
Find B C .
1
(A)
2
2.
28
20
(D) Not Possible
16 8
(B)
0 20
1 0 0
(C)
0 1 0
(D) Not Possible
4
12
20
24
(B)
Unit 4: Exponential Functions
In this chapter, we will explore transcendental functions, specifically
exponential functions which model growth and decay over time, and
logarithmic functions which are the basis of the Richter scale, pH acidity
scale, and t