Mathematics, 16.10.2020 15:01 jnannsbwnw4216

1. Which of the following expressions does not belong to the group?
a. 14x4-1 b. x2-0.0001y4
c. 8(x - 1)3 - 27
d. (x+1) – 4x
2. Based on the expressions given below,
A: 4x2-81 B: (2x - 9) (2x +9)
Which statement is true about expressions A and B if x = 2?
a. A>B
b. A<B
C. A=B
d. AB
3. One factor of 4x2y2 - 12xy is 4xy. What is the other factor?
a. (xy-3) b. (x2y2 – 3xy)
c. (xy - 3xy)
d. (x2y2 + 3)
4. The area of a square is 9x2 + 30x + 25 square units. Which expression represents the length of the side?
a. (9x2 + 25) b. (3x - 5)
c. (3x - 5) (3x + 5) d. (3x + 5)2
5. In the polynomial 64x2_100, one factor is (8x - 10), what is the other factor?
a. 8x + 50 b. 8x -50
C. 8x - 10
d. 8x + 10
6. Which of the following are the factors of 27r3 +64?
a. (3r-4) (9r2 +12r +16) b. (3r+4) (972 - 12r +16) c. (3r + 4) (9r2 + 12r +16) d. (3r-4) (982 - 12r + 16)
7. What are the missing terms in 8x3 - 27 = (2x - (4x2 + 6x + __)?
a. 9 and 3
b. 1 and 27
c. 3 and 9
d. 27 and 1
8. Which of the following is NOT a perfect square trinomial?
a.? - 101 +5
b. x2 + x + 10 c.22 - 10x + 25
d. x2-122+36
9. Which trinomial has factors of (x - 7) (x - 7)?
a. x2 - 16x + 64 b. x2 + 8x + 64
C. X2 - 7x +49
d. x2 - 14x +49
10. Which of the following values of k will make x2 + 16x + k factorable?
a. 2
b. 8
c. 16
d. 64
11. What is the other factor of x? + 7x + G If one of the factors is x + 67
a. X +2
b. X-1
C. X + 1
d. x-2
12. What are the factors of the trinomial x2 + x - 20 as product of two binomials?
a. (x + 10) (x - 2) b. (x + 5) (x - 4) c. (x - 10) (x + 2) d. (x-5) (x +4)
For items 13-15, refer to the box below.

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1. Which of the following expressions does not belong to the group?
a. 14x4-1 b. x2-0.0001y4

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