Question : MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. : 2163466
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Determine whether the expression is a monomial.
21) -12 - 15x - 13x2 - 2x3 + 5x4
A) Coefficient: 5; Degree: -12
B) Coefficient: 5; Degree: 4
C) Coefficient: -12; Degree: 4
D) Coefficient: -2; Degree: 3
22) -6x3 + 17 - 3x4 + x9 + 4x2
A) Coefficient: -3; Degree: 4
B) Coefficient: -6; Degree: 3
C) Coefficient: 1; Degree: 9
D) Coefficient: -6; Degree: 9
Combine like terms, if possible.
23) -8y - 6x - 2x
A) -8y + 4x
B) -8y - 4x
C) Not possible
D) -8y - 8x
24) 12x3 + 4x + 11x3 + 6
A) Not possible
B) 33x5
C) 23x2 + 4x + 6
D) 27x2 + 6
25) q3 - 3q4 + 6q2 + q4 + 11q3
A) -2q8 + 12q6 + 6q2
B) -2q4 + 12q3 + 6q2
C) Not possible
D) -3q4 - q3 + 6q2
26) 6c2d2 + 2c2d3 - c2d2 - 5c3d2 - 5c2d3
A) 7c2d2 - 10c3d2
B) 5c2d2 - 3c2d3 - 5c3d2
C) Not possible
D) 5c4d4 - 3c4d6 - 5c3d2
27) 8x2 + 2x - 6x2 + 9x + 5
A) 2x4 + 11x2 + 5
B) 2x2 + 11x + 5
C) Not possible
D) 10x3 + 3x3 + 5
28) 4x4y + 6xy4
A) 10xy4
B) 10x4y
C) Not possible
D) 10x5y5
Add.
29) (6a5 + 2a2) + (6a5 + 5a2)
A) 12a10 + 7a4
B) 19a7
C) 12a5 + 7a2
D) 19a14
30) (6 + 9n5 + 3n3) + (7n5 + 6n3 + 7)
A) 13n5 + 15n3 + 10
B) 38n8
C) 16 + 9n5 + 13n3
D) 16n5 + 9n3 + 13
31) (3n6 + 7n + 6n5) + (5n5 + 7n6 + 8n)
A) 14n6 + 8n5 + 14n
B) 36n12
C) 10n + 11n6 + 15n5
D) 10n6 + 11n5 + 15n
32) (9 - 8x5 + 7x7 + 3x6) + (7x6 + 2x5 + 3 + 5x7)
A) 16x7 + 16x6 + 10x5 + 8
B) 16x36 + 12
C) 12x7 + 10x6 - 6x5 + 12
D) 12x14 + 10x12 - 6x10 + 12
33) (-9x9 - 4x7 + 8x4 - 3) + (8x8 + 7x4 - 9x) + (-3x7 - 4x4 - 9x + 7)
A) -9x9 + 8x8 - 7x7 + 15x4 + 4
B) -x9 - x7 + 11x4 + 4
C) -9x9 + 8x8 - 7x7 + 11x4 - 18x + 4
D) -9x9 + 8x8 - x7 + 15x4 - 18x + 4
Find the opposite of the polynomial.
34) -5x7
A) 5x7
B) -5x7
C) 7x-5
D) -5x-7
35) 6x9 - 9x8
A) -9x9 + 6x8
B) -6x9 - 9x8
C) 6x9 + 9x8
D) -6x9 + 9x8
36) -21x3 + x2 - 16
A) 21x3 + x2 + 16
B) 21x3 - x2 - 16
C) -16x3 + x2 - 21
D) 21x3 - x2 + 16
37) 15x4 + x3 + 17x2 + (1/7)
A) -15x4 + x3 - 17x2 + (1/7)
B) -15x4 - x3 - 17x2 - (1/7)
C) 15x4 - x3 + 17x2 - (1/7)
D) (1/15)x4 + x3 + (1/17)x2 + 7
Subtract.
38) (18a4 + 16a3) - (-14a4 + 12a3)
A) 36a7
B) 32a4 + 4a3
C) 32a4 + 28a3
D) 4a4 + 28a3
39) (7n7 - 11n5 - 2) - (-6n5 + 3n7 + 4)
A) 4n7 - 8n5 + 2
B) 4n7 - 5n5 - 6
C) 4n7 - 5n5 + 2
D) -7n12
40) (5n + 7n6 - 14n3) - (6n3 + 3n6 + 17n)
A) 4n6 - 20n3 + 22n
B) 4n6 - 20n3 - 12n
C) 4n6 - 11n3 + 22n
D) -28n10