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Polynomials And Factoring
Test Description: NC Math 2
Instructions: Answer all questions to get your test result.
1) Factor completely 8b²+68b+144
A
4(2b-9)(b-4)
B
(4b+18)(2b+8)
C
4(2b+9)(b+4)
D
2(4b+18)(b+4)
2) Factor out the greatest monomial factor: 8x⁵-20x⁴-12x²
A
2x(4x⁴-10x³-6x)
B
4x²(2x³-5x²-3)
C
x²(8x³-20x²-12)
D
4(2x⁵-5x⁴-3x²)
3) Which of the following is the factorization of the trinomial x^2 + 7x + 10?
A
(x + 7)(x + 1)
B
(x + 5)(x + 2)
C
(x + 3)(x + 4)
D
(x + 5)(x - 2)
4) When factoring, what do you always look for first?
A
Difference of Squares
B
Factoring By Grouping
C
GCF
D
4 terms
5) Factor the Trinomial: x²-9x+20
A
(x+2)(x-10)
B
(x-4)(x-5)
C
(x+4)(x+5)
6) Factor the Trinomial: x²-14x+40
A
(x-20)(x+2)
B
(x-10)(x-4)
C
(x-8)(x+5)
7) What is the greatest common factor of: 4x^2 and -12x ?
A
4
B
4x
C
x
D
3x
8) Factor the polynomial: 5x² - 20
A
5(x - 2)²
B
(5x + 10)(x - 2)
C
5(x + 2)²
D
5(x + 2)(x - 2)
9) Factor the polynomial: x² + 34x + 289
A
(x - 17)²
B
(x + 17)²
C
(x - 17)(x + 17)
D
(x + 17)+(x + 17)
10) Which of the following is the correct factorization of the trinomial 3x^2 - 12x - 15?
A
(3x - 5)(x + 3)
B
(x - 3)(3x + 5)
C
(x - 5)(3x + 3)
D
(3x + 5)(x - 3)
*select an answer for all questions
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