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Solve the quadratic equation. 2x^2 = 32 A. x = ±4 B. x = 2 and x = 32 C. x = 1 and x = 16 D. x = ±2
Weegy: 2x^2 = 32; x^2 = 32/2; x^2 = 16; x = ±4 (More)
Question
Expert Answered
Updated 8/31/2014 6:26:33 PM
0 Answers/Comments
Solve for x: (2x - 4)2 = 1 A. 2, 3 B. 3/2, 5/2 C. 3/2, 3/5 D. 3/2, -5/2
Weegy: The answer is A. 2,3. (More)
Question
Expert Answered
Updated 8/1/2014 12:40:07 PM
1 Answer/Comment
(2x - 4)^2 = 1;
4x^2 - 16x + 16 = 1;
4x^2 - 16x + 16 - 1 = 0;
4x^2 - 16x + 15 = 0;
(2x - 3)(2x - 5) = 0;
2x - 3 = 0; 2x = 3; x = 3/2;
2x - 5 = 0; 2x = 5; x = 5/2;
Solutions: x = 3/2 or x = 5/2
Added 8/1/2014 12:40:04 PM
This answer has been confirmed as correct, not copied, and helpful.
What is the range of y = -3x2 + 2? A. y = -3 B. y = 2 C. y = 2 D. y: all real numbers
Weegy: Solution : (4x^2 ? 2x + 3) ? ( -3x^2 + 2x ? 5) 4x^2 ? 2x + 3 + 3x^2 - 2x + 5 = 7x^2 - 4x + 8 (answer) User: What is the range of y = -3x2 + 2? A. y = -3 B. y = 2 C. y = 2 D. y: all real numbers (More)
Question
Expert Answered
Updated 8/15/2014 2:41:47 AM
1 Answer/Comment
y=2 is the range of y = -3x2 + 2.
When x=0,the value of y the lagest. y=-3*0+2, y=2.
Added 8/15/2014 2:41:47 AM
Simplify: (n + 3)2 A. n2 + 9 B. n2 + 9n + 9 C. n2 + 6n + 9 D. n2 + 6
Question
Expert Answered
Updated 1/1/2013 12:20:10 PM
1 Answer/Comment
(n + 3)^2
the result is C. n2 + 6n + 9
Added 1/1/2013 12:20:10 PM
This answer has been added to the Weegy Knowledgebase
Factor out the greatest common monomial: 25a6 - 10a5 - 40a4 A. 5(5a6 - 2a5 - 8a4) B. 5a(5a3 - 2a2 - 8a) C. 5a4(5a2 - 2a - 8) D. 5a6(5 - 2a-1 - 8a-2)
Weegy: A (More)
Question
Expert Answered
Updated 8/31/2014 6:08:09 PM
2 Answers/Comments
[Deleted]
Added 8/31/2014 7:13:31 AM
Deleted by janezeshun [8/31/2014 6:08:08 PM]
Factor out the greatest common monomial: 25a6 - 10a5 - 40a4 is 5a4(5a2 - 2a - 8).
25a6 - 10a5 - 40a4
=5a4(5a2-2a-8).
Added 8/31/2014 6:08:09 PM
This answer has been confirmed as correct, not copied, and helpful.
Rated good by andrewpallarca, Confirmed by andrewpallarca [8/31/2014 6:21:08 PM]
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