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Who Wants To Be A Who Wants To Be A College AlgebraCollege Algebra
Millionaire? Millionaire?
Question 9(Worth $1,000)
Find B + E.
9. B0 1 3
1 2 4
3 1 2
E
2 0 1
3 4 2
0 6 4
A 6B 3C 9D 20
BE 2 2 3
1 2 5
2 2 6
BE 2 1 2
2 2 2
3 5 6
BE 2 1 4
4 6 6
3 7 2
BE 0 0 3
3 8 8
0 6 8
A (B (C (D (
The Solution:
BE 2 1 2
2 2 2
3 5 6
9. B0 1 3
1 2 4
3 1 2
E
2 0 1
3 4 2
0 6 4
BE 2 2 3
1 2 5
2 2 6
BE 2 1 4
4 6 6
3 7 2
BE 0 0 3
3 8 8
0 6 8
$1,000
Question 11(Worth $2,000)
11. Find -2A.
A 6B 3C 9D 20
A2 1
1 3
4 3
2A 4 2
2 6
8 6
2A 4 2
2 6
8 6
2A0 3
3 1
2 5
2A 4 2 8
2 6 6
Solution -2A:
A 6B 3C 9D 20
2A 4 2
2 6
8 6
2A 4 2
2 6
8 6
2A0 3
3 1
2 5
2A 4 2 8
2 6 6
A2 1
1 3
4 3
$2,000
Question 12(Worth $4,000)
12. Find D - A.
A 3B 9C 1D 2
D5 2
1 3
A
2 1
1 3
4 3
Not Possible
D A3 1
0 6
D A12 11
1 8
D A 3 1
0 6
5 0
A 3B 9C 1D 2
D5 2
1 3
A
2 1
1 3
4 3
Solution D - A.
D A3 1
0 6
D A12 11
1 8
Not Possible
D A 3 1
0 6
5 0
$4,000
Question 14(Worth $8,000)
A -7B -13C -15D -17
14. Find |D|.
D5 2
1 3
A -7B -13C -15D -17
D5 2
1 3
Solution |D|.
15 2 17
$8,000
Question 15(Worth $16,000)
A 26B 24C 50D 74
15. Find |E|.
E 2 0 1
3 4 2
0 6 4
A 26B 24C 50D 74
E 2 0 1
3 4 2
0 6 4
2 0
3 4
0 6
(32018) (024 0)
50 24
26
15. Solution |E|.
$16,000
Question 17(Worth $32,000)
A (-17B (C (D (
17. Find D-
1.
D5 2
1 3
D 1 117
3 2
1 5
D 1 3 2
1 5
D 1 117
5 2
1 3
D5 2
1 3
17. Solution D-
1.
A (-17B (C (D (
D 1 3 2
1 5
D 1 117
3 2
1 5
D 1 117
5 2
1 3
D 15 2 17
NegateSwitch
$32,000
Question 10(Worth $64,000)
10. Find AC:
A .B .
C .D .
A 2 1
1 3
4 3
C
3 2 1
2 3 0
AC 8 7 2
9 11 1
18 17 4
AC 8 7
9 11
AC 8 9 18
7 11 17
2 1 4
AC 4 6
7 11
Solution AC:
A DB DC DD D
A 2 1
1 3
4 3
C
3 2 1
2 3 0
AC 4 6
7 11
AC 8 9 18
7 11 17
2 1 4
AC 8 7
9 11
AC 8 7 2
9 11 1
18 17 4
$64,000
Question 13(Worth $125,000)
A yB yC yD y
13. Find D2 + 2D:
D 5 2
1 3
D 37 8
4 5
D 27 4
2 11
D 10 4
2 6
D 35 0
1 3
A yB yC yD y
Solution D2 + 2D:
D 5 2
1 3
D 27 4
2 11
D 37 8
4 5
D 10 4
2 6
D 35 0
1 3
$125,000
Question 1(Worth $250,000)
A No IntersectionB (1,-3)C (-3,5) and (1, -3)D (3, 5) and (-1, -3)
1.Solve the system:
y + 4 = x2
2x + y = -1
A No IntersectionB (1,-3)C (-3,5) and (1, -3)D (3, 5) and (-1, -3)
1.Solve the system:
y + 4 = x2
2x + y = -1
$250,000
Question 2(Worth $500,000)
A No IntersectionB (4,3) and (3,4)C (-4,3) and (-3,4)D (4,-3) and (3,-4)
2. Solve the system:
x2 + y2 = 25x - y = 7
2. Solve the system:
x2 + y2 = 25 x - y = 7
A No IntersectionB (4,3) and (3,4)C (-4,3) and (-3,4)D (4,-3) and (3,-4)
$500,000
Question 19(Worth $1,000,000)
A 1B 1C 2D 2
19. Use Cramer’s Rule to solve the system:
5x - 6y = 4
3x + 7y = 8
7653
,2853
20
17,52
17
2053
,5253
76
17,28
17
19. Use Cramer’s Rule to solve the system:
5x - 6y = 4
3x + 7y = 8
A 1B 1C 2D 2
7653
,2853
20
17,52
17
2053
,5253
76
17,28
17
$1,000,000
Congratulations…Congratulations…You win!You win!
