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Which of the following equations has only one solution? x 2 = 9, x(x - 1) = 9, x 2 - 6x + 9 = 0
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Asked 9/10/2014 11:06:01 AM
Updated 9/10/2014 11:10:03 PM
1 Answer/Comment
Flagged by yeswey [9/10/2014 11:09:01 PM]
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User: Which of the following equations has only one solution? x 2 = 9, x(x - 1) = 9, x 2 - 6x + 9 = 0

Question
Asked 9/10/2014 11:06:01 AM
Updated 9/10/2014 11:10:03 PM
1 Answer/Comment
Flagged by yeswey [9/10/2014 11:09:01 PM]
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x^2 - 6x + 9 = 0 has only one solution.
x^2 - 6x + 9 = 0
(x - 3)^2 = 0
x - 3 = 0
x = 3 which is the only solution.
Added 9/10/2014 11:10:03 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/10/2014 11:16:24 PM]
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1 = 2x2 + 5x
Weegy: (2x+3)(x?4)= 2x^2 - 8x + 3x - 12 = 2x^2 - 5x - 12 User: Write the quadratic equation in general form and then choose the value of "b" (2x - 1)(x + 6) = 0 Weegy: The quadratic equation (2x - 1)(x + 5) = 0 in general form is: 2x^2 + 9x - 5. In the form ax^2 + bx + c = 0, b = 9. (More)
Question
Updated 9/9/2014 7:49:29 AM
2 Answers/Comments
(2x - 1)(x + 6) = 0
2x^2 + 12x - x - 6 = 0
2x^2 + 11x - 6 = 0
The value of b is 11.
Added 9/9/2014 7:49:29 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/9/2014 8:00:23 AM]
x(x2 + 1) = 0 is this quadratic
Weegy: x= -2 (-2)2+4=0 -4+4=0 0=0 User: 5(4x + 2) = 3 is this quadratic Weegy: The equation (x + 3)(x + 4) = 5 is quadratic. User: (x + 3)(x + 4) = 5 is this quadratic Weegy: Here is a website which give you some examples (More)
Question
Updated 9/14/2014 9:34:34 PM
3 Answers/Comments
x(x^2 + 1) = 0 This is not quadratic.
Added 9/14/2014 9:32:25 PM
This answer has been confirmed as correct and helpful.
5(4x + 2) = 3 This is not quadratic.
Added 9/14/2014 9:33:09 PM
This answer has been confirmed as correct and helpful.
(x + 3)(x + 4) = 5 This is quadratic.
(x + 3)(x + 4) = 5
x^2 + 7x + 12 - 5 = 0
x^2 + 7x + 7 = 0 which is quadratic.
Added 9/14/2014 9:34:34 PM
This answer has been confirmed as correct and helpful.
y(y + 4) - y = 6 is a quadratic equation
Weegy: y(y + 4) - y^2 = 6 y^2 + 4y - y^2 = 0 4y = 0, y= 0 whose gragh is y axle. Thus, y(y + 4) - y^2 = 6 is a quadratic equation. This is false. (More)
Question
Updated 9/14/2014 9:27:30 PM
1 Answer/Comment
y(y + 4) - y = 6 is a quadratic equation. TRUE.
y(y + 4) - y = 6
y^2 + 4y - y = 6
y^2 + 3y - 6 = 0 which is quadratic equation.
Added 9/14/2014 9:27:30 PM
This answer has been confirmed as correct and helpful.
Evaluate 5! + 2!.
Weegy: What do you mean by "evaluate 5"? (More)
Question
Updated 9/12/2014 11:36:08 AM
1 Answer/Comment
5! + 2!
= (1 * 2 * 3 * 4 * 5) + (1 * 2)
= 120 + 2
= 122
Added 9/12/2014 11:36:07 AM
This answer has been confirmed as correct and helpful.
The hypotenuse of a right triangle is 25 cm, and the shorter leg is 15 cm. Find the length of the other leg.
Question
Not Answered
Updated 9/16/2014 1:28:20 PM
1 Answer/Comment
The hypotenuse of a right triangle is 25 cm, and the shorter leg is 15 cm. The length of the other leg is 20 cm. b = sqrt [(25)^2 - (15)^2]; b = sqrt (625 - 225); b = sqrt 400; b = 20
Added 9/16/2014 1:28:20 PM
This answer has been confirmed as correct and helpful.
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