wk_3_assignment_tutorial x
1.
Add.
(9a3 + 3a2) + (5a3 + 6a2)
A) 14a6 + 9a4
B) 23a5
C) 14a3 + 9a2
D) 23a10
2.
Add.
(-9 + 3n6 + 3n5) + (2n6 + 5n5 + 6)
A) 5n6 + 8n5 – 3
B) 10n11
C) 5 + 8n6 – 3n5
D) -7n6 + 8n5 + 9
3.
Add.
(9 + 8×2 + 9×4 – 7×3) + (-2×3 + 2×2 + 2 + 5×4)
A) 14×4 – 9×3 + 10×2 + 11
B) 7×4 + 7×3 + 11×2 – 2
C) 15×18 + 11
D) 14×8 – 9×6 + 10×4 + 11
4.
S
ubtract.
(-8a3 – 14a2) – (-14a3 – 18a2)
A) 6a3 – 32a2
B) -22a3 – 32a2
C) 6a3 + 4a2
D) 10a5
5.
Subtract.
(8n7 + 2n6 + 17) – (5n6 + 5n7 + 15)
A) 3n7 – 3n6 + 32
B) 3n7 + 7n6 + 32
C) 2n13
D) 3n7 – 3n6 + 2
6.
Perform the indicated operations.
(4×2 + 5) – (2×2 – 6) + ( 4×2 – 10x)
A) 10×2 + 10x – 1
B) 6×2 – 10x + 11
C) 10×2 – 10x + 11
D) 6×2 – 10x – 1
7.
Perform the indicated operations.
(5s2 – 3s) – (2s2 – 7s) + ( 5s2 – 6)
A) 8s2 + 4s – 6
B) 8s2 -10s – 6
C) 12 s2 -10s – 6
D) 12 s2 + 4s – 6
8.
Multiply.
(4m2)(5m4)
A) 20m
B) -20m6
C) -20m
D) 20m6
9.
Multiply.
4(5x)
A) 20
B) 20x
C) 9x
D) 9
10.
Multiply.
-12x(6x – 11)
A) 60×2
B) -72×2 + 132x
C) 6×2 + 132x
D) -72×2 – 11x
11.
Multiply.
-8×5(11×3 + 6)
A) -136×5
B) -88×8 + 6
C) -88×8 – 48×5
D) -88×3 – 48
12.
Multiply.
-8×2(-10×4 + 9×3)
A) 8×2
B) 8×6 + 8×5
C) 80×6 – 72×5
D) 80×6 + 9×3
13.
Multiply.
(x + 6)(x – 6)
A) x2 – 36
B) x2 – 12x – 36
C) x2 – 12
D) x2 + 12x – 36
14.
Multiply.
(2x – 7)(x – 4)
A) x2 – 15x + 50
B) x2 + 28x – 15
C) 2×2 – 15x + 28
D) 2×2 + 50x + 28
15.
Multiply.
(2x + 9)(2x – 9)
A) 4×2 – 36x – 81
B) 2×2 – 36x – 81
C) 4×2 + 36x – 81
D) 4×2 – 81
16.
Factor.
4×2 + 33x + 35
A) (4x + 5)(x + 7)
B) (x – 28)(x + 7)
C) (x + 5)(x + 7)
D) (4x – 28)(x + 7)
17.
Factor.
4×2 – 25x – 56
A) (x – 7)(x – 8)
B) (x + 4)(x – 8)
C) (7x + 4)(x – 8)
D) (4x + 7)(x – 8)
18.
Factor.
6×2 – 53x + 40
A) (5 – 6x)(6x – 5)
B) (x – 8)(6x – 5)
C) (6x + 35)(6x – 5)
D) (x + 8)(6x – 5)
19.
Factor.
y2 – 64
A) (y + 64)(y – 64)
B) (y + 8)(y – 8)
C) (y2 + 8)(y2 – 8)
D) (y – 8)(y – 8)
20.
Factor.
x2 + 16x + 64
A) (x + 8)2
B) (x + 8)(x – 8)
C) (x – 8)2
D) Prime
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