WEEK 3 MATH QUIZ
Dr Richards
week_3.math_.docxQuestion 1
Factor. 4x2 - 25x - 56
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A. |
(x - 7)(x - 8) |
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B. |
(7x + 4)(x - 8) |
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C. |
(4x + 7)(x - 8) |
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D. |
(x + 4)(x - 8) |
Question 2
Factor. x2 + 16x + 64
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A. |
(x + 8)2 |
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B. |
(x - 8)2 |
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C. |
Prime |
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D. |
(x + 8)(x - 8) |
Question 3
Factor. y2 - 64
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A. |
(y + 8)(y - 8) |
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B. |
(y - 8)(y - 8) |
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C. |
(y2 + 8)(y2 - 8) |
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D. |
(y + 64)(y - 64) |
Question 4
Add. (9a3 + 3a2) + (5a3 + 6a2)
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A. |
14a3 + 9a2 |
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B. |
23a5 |
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C. |
14a6 + 9a4 |
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D. |
23a10 |
Question 5
Perform the indicated operations. (5s2 - 3s) - (2s2 - 7s) + ( 5s2 - 6)
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A. |
8s2 -10s - 6 |
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B. |
12 s2 + 4s - 6 |
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C. |
12 s2 -10s - 6 |
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D. |
8s2 + 4s - 6 |
Question 6
Multiply. (4m2)(5m4)
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A. |
-20m |
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B. |
20m6 |
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C. |
-20m6 |
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D. |
20m |
Question 7
Add. (-9 + 3n6 + 3n5) + (2n6 + 5n5 + 6)
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A. |
-7n6 + 8n5 + 9 |
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B. |
10n11 |
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C. |
5n6 + 8n5 - 3 |
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D. |
5 + 8n6 - 3n5 |
Question 8
Multiply. (2x + 9)(2x - 9)
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A. |
2x2 - 36x - 81 |
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B. |
4x2 - 81 |
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C. |
4x2 - 36x - 81 |
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D. |
4x2 + 36x - 81 |
Question 9
Add. (9 + 8x2 + 9x4 - 7x3) + (-2x3 + 2x2 + 2 + 5x4)
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A. |
15x18 + 11 |
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B. |
14x4 - 9x3 + 10x2 + 11 |
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C. |
14x8 - 9x6 + 10x4 + 11 |
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D. |
7x4 + 7x3 + 11x2 - 2 |
Question 10
Multiply. -12x(6x - 11)
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A. |
-72x2 - 11x |
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B. |
-72x2 + 132x |
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C. |
6x2 + 132x |
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D. |
60x2 |
Question 11
Multiply. 4(5x)
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A. |
9x |
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B. |
20 |
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C. |
20x |
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D. |
9 |
Question 12
Factor. 6x2 - 53x + 40
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A. |
(x + 8)(6x - 5) |
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B. |
(x - 8)(6x - 5) |
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C. |
(5 - 6x)(6x - 5) |
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D. |
(6x + 35)(6x - 5) |
Question 13
Multiply. (2x - 7)(x - 4)
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A. |
2x2 - 15x + 28 |
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B. |
2x2 + 50x + 28 |
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C. |
x2 - 15x + 50 |
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D. |
x2 + 28x - 15 |
Question 14
Subtract. (-8a3 - 14a2) - (-14a3 - 18a2)
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A. |
6a3 - 32a2 |
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B. |
-22a3 - 32a2 |
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C. |
6a3 + 4a2 |
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D. |
10a5 |
Question 15
Perform the indicated operations. (4x2 + 5) - (2x2 - 6) + ( 4x2 - 10x)
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A. |
10x2 + 10x - 1 |
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B. |
6x2 - 10x - 1 |
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C. |
10x2 - 10x + 11 |
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D. |
6x2 - 10x + 11 |
Question 16
Subtract. (8n7 + 2n6 + 17) - (5n6 + 5n7 + 15)
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A. |
3n7 - 3n6 + 32 |
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B. |
3n7 + 7n6 + 32 |
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C. |
2n13 |
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D. |
3n7 - 3n6 + 2 |
Question 17
Multiply. -8x5(11x3 + 6)
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A. |
-88x8 - 48x5 |
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B. |
-136x5 |
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C. |
-88x3 - 48 |
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D. |
-88x8 + 6 |
Question 18
Multiply. (x + 6)(x - 6)
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A. |
x2 + 12x - 36 |
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B. |
x2 - 36 |
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C. |
x2 - 12x - 36 |
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D. |
x2 - 12 |
Question 19
Multiply. -8x2(-10x4 + 9x3)
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A. |
80x6 - 72x5 |
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B. |
8x2 |
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C. |
80x6 + 9x3 |
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D. |
8x6 + 8x5 |
Question 20
Factor. 4x2 + 33x + 35
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A. |
(x - 28)(x + 7) |
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B. |
(4x + 5)(x + 7) |
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C. |
(4x - 28)(x + 7) |
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D. |
(x + 5)(x + 7) |
