If a ball is thrown vertically upward

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Reference no: EM13534484

1. Find the greatest common factor for the following list of terms.

16(x + y)4, 12(x + y)2

A) 192(x + y)6

B) 4(x + y)2

C) 12(x + y)4

D) 64(x + y)4

4. Factor by grouping.

6x3 + 2x2 +6x +2

A) (6x + 1)(x2 + 2)

B) (x + 2)(6x2 + 1)

C) (6x + 2)(x2 + 1)

D) 6(x + 2)(x2 + 1)

5. True or False:  2x3 – 8y3 can be factored as a difference of squares.

7. True or False:  The binomial  s3 + t3 cannot be factored.

9. Factor completely.

m2 – 7m + 10

A) (m + 3)(m –4)

B) (m + 5)(m – 2)

C) (m – 5)(m – 2)

D) (m – 10)(m – 1)

13. Factor completely.

2x2 – 6x – 56

A) (2x + 4)(x – 14)

B) (2x + 8)(x – 7)

C) 2(x + 4)(x – 7)

D) 3(x + 8)(x – 7)

15. Factor completely using the trial-and-error method.
18x2 + 15xy -  12y2
A) (3x -3y)(6x + 4y)
B) (6x -  4y)(3x + 3y)
C) (3x  - 4y)(6x + 3y)
D) (6x  - 3y)(3x + 4y)
17. Factor completely using the trial-and-error method.
3x3 – 9x2 –84x
A) 3(x + 12)(x – 7)
B) 3x(x + 4)(x – 7)
C) (3x + 4)(x – 21)
D) 3(x + 4)(x2 – 7x)
23. If a ball is thrown vertically upward from ground level with an initial velocity of 64 ft/s.  After t s, the height h, in feet, is given by
h = –16t2 + 64t
When does the ball hit the ground?
A) 4 seconds
B) 4.5 seconds
C) 5 seconds
D) 64 seconds
24. Factor completely, if possible.
32x2 – 28x – 4
A) (4x – 1)(8x + 1)
B) 4(8x – 1)(x + 1)
C) 4(x – 1)(8x + 1)
D) Not factorable

Reference no: EM13534484

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