Post on 17-Dec-2015
Algebra 2
GOAL: To review concepts related to
Chapter 4: Sections 1-3.
This is JEOPARDY!!! No calculators except for Calc
category. Each person must hand in an answer
sheet at the end of class.
Final Jeopardy QuestionFinal Jeopardy Question
4.1The
Basics
4.2 Matrix
Multiplication
500
Calculator Problems
4.3Inverses
& Determinants
Potpourri
100
200
300
400
500 500 500 500
400 400 400 400
300 300 300300
200 200 200 200
100 100 100100
Back
Sing the first 4 lines of ‘Bear Down Chicago
Bears’
Back
Solve for x and y.
119
524
134
214 x
y
Back
and A is a 3 x 4 matrix, what are the dimensions
of B?
If AB =
17
45
29
Back
32
46
41
02
543
211
A =
B =
C =
Identify the entry at each location:
b22
a12
c23
Back
Give the dimensions
of each matrix.
9
2
5
32
46
543
211
A =
B =
C =
Back
Find the product, if it exists.
3410
312
410
321
511
342
Back
Find the product, if it exists.
211
4
4
6
3
Back
Find the product, if it exists.
13
12
765
542
103
Back
Find the product, if it exists.
16
24
101
312
Back
Find the product, if it exists.
02
23
14
32
Back
Matrix M is a 6 x 6 matrix with a non-zero determinant.
M-1M =
Back
Find the inverse matrix, if it exists. If the matrix does not exist, write no
inverse.
12
32
Back
Find the determinant, and state whether the matrix has an inverse.
2303
15
Back
Find the determinant, and state whether the matrix has an inverse.
31
31
Back
Determine whether the pair of matrices are
inverses of each other Show work.
21
32
21
32
Back
Use your calculator to find
the inverse of M.
465
453
122
M =
Back
Use your calculator to find
the product.
2581
3779
1274
42
72
50
Back
Use your calculator to find
the determinant of M.
512
273
021M =
Back
Use your calculator to find
(AB)C.
913
246
624
523
416
61
72
35
A = B = C =
Back
Use your calculator to find
5(A – B) + 2C.
24
85
63
65
03
117
14
62
35
A = B = C =
Back
Simplify the expression, writing your answer with positive exponents only.
3
3
452
y
yx
Back
Which property is illustrated by
4x + 13y = 13y+ 4x
Back
Find the value
sin4
Back
What is the x – intercept of
-3x =4y + 9
Back
Find the slope of every line perpendicular to the
line
y = –4x + 8
Back
Who won the Bears/Redskins game
Thursday Dec. 6?
What was the final score?