Solve the equation by graphing. x2 - 18x + 81 = 0 A. {-2, 9} B. {9/2, 3} C. {9} D. no real solution
Question
Updated 6/5/2014 9:37:21 AM
Flagged by yeswey [6/5/2014 9:36:56 AM]
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Original conversation
User: 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
Flagged by yeswey [6/5/2014 9:36:56 AM]
Rating
3
x^2 - 18x + 81 = 0
(x - 9)^2 = 0
x - 9 = 0
x = 9
Confirmed by andrewpallarca [6/5/2014 3:15:12 PM]
3
x^2 + 9x + 14 = (x + 7)(x + 2)
Confirmed by andrewpallarca [6/5/2014 3:15:54 PM]

Questions asked by the same visitor
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
Weegy: The answer for (X+5)(X+2) is x^2+7x+10. (More)
Question
Updated 6/2/2013 4:58:11 AM
(x + 3)(x – 2) = x2 + x - 6
Confirmed by andrewpallarca [6/8/2014 4:46:06 PM], Rated good by andrewpallarca
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
The polynomial with a degree of 3 is: x^2y + 5y^2.
Confirmed by jeifunk [6/10/2014 11:15:14 PM]
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
5,200,000 = 5.2 · 10^6. This is true.
Confirmed by yumdrea [6/10/2014 11:06:48 PM]
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
x^2 - 18x + 81 = (x - 9)(x - 9) = (x - 9)^2
Confirmed by jeifunk [7/9/2014 12:32:48 PM]
(3a + 11)(3a - 11) = 9a^2 - 33a + 33a - 121 = 9a^2 - 121
Confirmed by jeifunk [7/9/2014 12:32:54 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
The polynomial that has a greatest common factor of 16x^3 y^2 is 32x^6 y^2 + 176x^3 y^4
Confirmed by jeifunk [6/27/2014 11:05:03 PM]
32,230,282
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