Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent
whole numbers.
389)
(5xy2+10x)(5xy2–10x)
389)
A)
10x2y4–20x2
B)
25x2y4–100x2
C)
10x2y4–100x2y4–20x2
D)
25x2y4–100x2y4–100x2
Use the FOIL method to multiply the binomials. Assume any variable exponents represent whole numbers.
390)
(4x + 2y)(3x – 5y)
390)
A)
12x2– 14xy – 10y2
B)
12x2+ 6xy – 10y2
C)
12x2– 14xy – 14y2
D)
12x2– 20xy – 10y2
A
391)
(6xy +12)(8xy +9)
391)
A)
14x2y2+ 150xy + 108
B)
48x2y2+ 54xy + 108
C)
48x2y2+ 150xy + 21
D)
48x2y2+ 150xy + 108
D
Factor completely, or state that the polynomial is prime. Assume any variable exponents represent whole numbers.
392)
3x –3x11y2
392)
A)
(3x +x5y)(3x –x5y)
B)
3x(1 +x5y)(1 –x5y)
C)
prime
D)
3xy(1 +x6)(1 –x6)
B
Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers.
393)
24x9– 36x4+ 28x2
393)
A)
x2(24x7– 36x2+ 28)
B)
4x2(6x7– 9x2+ 7)
C)
4(6x9– 9x4+ 7x2)
D)
No common factor
B
92
B
Factor completely, or state that the trinomial is prime.
394)
63x2+ 333xy –270y2
394)
A)
9(7x –5y)(x –6y)
B)
9(7x +5y)(x –6y)
C)
prime
D)
9(7x –5y)(x +6y)
Factor by introducing an appropriate substitution.
395)
11(x –3)2– 54(x –3) –5
395)
A)
(x – 2)(x + 2)
B)
(11x – 32)(x – 8)
C)
(11x – 2)(x – 8)
D)
(11x – 22)(x – 8)
B
Factor the polynomial using the greatest common binomial factor.
396)
13x(x – y) – (x – y)
396)
A)
13x(x – y)
B)
(x – y)(13x – 1)
C)
(x – y)(13x + 1)
D)
–13x(x – y)
B
Factor the trinomial, or state that the trinomial is prime.
397)
x2+ 23x + 24
397)
A)
prime
B)
(x + 12)(x – 2)
C)
(x + 24)(x – 1)
D)
(x – 12)(x + 2)
A
Factor completely, or state that the polynomial is prime.
398)
36x3+ 4x6+ 80
398)
A)
(x3+ 5)(4x3+ 16)
B)
4(x + 5)(x + 4)
C)
4(x3+ 5)(x3+ 4)
D)
prime
C
93
D
Answer Key
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Answer Key
Testname: C5
95
Answer Key
Testname: C5
Answer Key
Testname: C5
Answer Key
Testname: C5
Answer Key
Testname: C5
Answer Key
Testname: C5
Answer Key
Testname: C5