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Simplify: (x - 8)2 A. x2 + 64 B. x2 - 16x + 64 C. x2 - 64x + 16 D. x2 - 16
B. x2 - 16x + 64. (x - 8)2 can be expanded to x2 - 16x + 64.
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User: Simplify: (x - 8)2 A. x2 + 64 B. x2 - 16x + 64 C. x2 - 64x + 16 D. x2 - 16





Weegy: B. x2 - 16x + 64. (x - 8)2 can be expanded to x2 - 16x + 64.
Expert answered|eturker|Points 2772|

User: Multiply the following expressions and simplify: (2x – 7)². A. 4x² – 49 B. 4x² + 49 C. 4x² – 14x + 49 D. 4x² – 28x + 49

Weegy: D. 4x2 – 28x + 49. (2x – 7)^2 = 4x2 – 28x + 49.
Expert answered|eturker|Points 2772|



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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
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Updated 213 days ago|8/31/2014 6:26:33 PM
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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
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Updated 243 days ago|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 243 days ago|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 229 days ago|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 229 days ago|8/15/2014 2:41:47 AM
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