Simplify the polynomial expressions after multiplying: (x + 3)(x – 2).
A. 2x + 1
B. x² – 5x – 6
C. x² + x – 6
D. x² + x + 6

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Asked 5/31/2013 5:27:58 PM

Updated 6/2/2013 4:58:11 AM

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Question

Asked 5/31/2013 5:27:58 PM

Updated 6/2/2013 4:58:11 AM

1 Answer/Comment

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(x + 3)(x – 2) = x2 + x - 6

Added 6/2/2013 4:58:11 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/8/2014 4:46:06 PM], Rated good by andrewpallarca

Solve the equation by graphing. x2 - 18x + 81 = 0
A. {-2, 9}
B. {9/2, 3}
C. {9}
D. no real solution
User: Factor x2 + 9x + 14.
A. (x + 7)(x + 2)
B. (x- 2)(x + 7)
C. (x+14)(x + 2)
D. None of the above
User: Which polynomial has a greatest common factor of 16x3 y2?
A. 16x7 y4 - 240x5 y2
B. 48x6 y5 + 80x4 y3
C. 32x6 y2 + 176x3 y4
D. 174x4 y3 - 112x3 y2

Question

Updated 6/5/2014 9:37:21 AM

2 Answers/Comments

x^2 - 18x + 81 = 0

(x - 9)^2 = 0

x - 9 = 0

x = 9

(x - 9)^2 = 0

x - 9 = 0

x = 9

Added 6/5/2014 9:36:53 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/5/2014 3:15:12 PM]

x^2 + 9x + 14 = (x + 7)(x + 2)

Added 6/5/2014 9:37:21 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/5/2014 3:15:54 PM]

Which of the following polynomials has a degree of 3?
A. x3y3 - 3xy
B. x + y + z
C. x2y + 5y2
D. x2y2 - y3

Question

Updated 6/10/2014 11:06:51 PM

1 Answer/Comment

Which of the following expressions when simplified equals x6y2?
A. x3y ÷ x3y
B. x4y2 ÷ x2y2
C. x6y2 ÷ xy
D. x8y3 ÷ x2y
**Weegy:** The expression x8y3 ? x2y when simplified equals x6y2. **User:** True or False: 5,200,000 = 5.2 · 106
A. True
B. False
(More)

Question

Updated 6/10/2014 11:05:41 PM

1 Answer/Comment

Factor the following polynomial completely: x2 - 18x + 81
User: Multiply: (3a + 11)(3a - 11).
A. 9a2 - 22
B. 9a2 - 121
C. 9a2 + 121
D. 9a2 - 66a + 121

Question

Updated 7/9/2014 12:31:39 PM

2 Answers/Comments

x^2 - 18x + 81 = (x - 9)(x - 9) = (x - 9)^2

Added 7/9/2014 12:31:32 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/9/2014 12:32:48 PM]

Which polynomial has a greatest common factor of 16x3 y2?
A. 16x7 y4 - 240x5 y2
B. 48x6 y5 + 80x4 y3
C. 32x6 y2 + 176x3 y4
D. 174x4 y3 - 112x3 y2

Question

Updated 6/27/2014 4:23:22 PM

1 Answer/Comment

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