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Questions asked by the same visitor
What is the solution set of (x - 2)(x - 3) = 2? {1, 4} {2, 3} {4, 5}
Weegy: y= -3x/2 User: What is the value of b2 - 4ac for the following equation? 2x2 + 3x = -1 0 1 17 Weegy: The answer is: b.1 [smile] User: Write the quadratic equation in factored form. Be sure to write the entire equation. x2 + x - 12 = 0 Weegy: (x+4)(x-3)=0 User: Which of the following equations is the result of completing the square on x2 - 6x - 9 = 0? (x - 3)2 = 0 (x - 3)2 = 9 (x - 3)2 = 18 Weegy: (x-3)^2=18 User: What is ... (More)
Question
Not Answered
Updated 29 days ago|7/2/2014 3:02:34 AM
5 Answers/Comments
(x - 2)(x - 3) = 2
x^2 - 3x - 2x + 6 = 2
x^2 - 5x + 4 = 0
(x - 1)(x - 4) = 0
x = 1 or x = 4
The solution set of (x - 2)(x - 3) = 2 is {1, 4}
Added 29 days ago|7/2/2014 2:45:51 AM
2x(x - 1) = 3
2x^2 - 2x - 3 = 0
a = 2, b = -2, c = -3
b^2 - 4ac = (-2)^2 - 4(2)(-3) = 4 + 24 = 28
x = (2 ± sqrt 28)/4
= (2 ± 2 sqrt 7)/4
= (1 ± sqrt 7)/2
Added 29 days ago|7/2/2014 2:49:08 AM
y(y + 4)(y - 6) = 0 is a quadratic equation. FALSE.
y(y + 4)(y - 6) = 0
y(y^2 - 2y - 24) = 0
y^3 - 2y^3 - 24y = 0 which is not a quadratic equation.
Added 29 days ago|7/2/2014 2:52:25 AM
The radius of the circle whose equation is x^2 + y^2 = 9 is 3.
Added 29 days ago|7/2/2014 3:01:16 AM
The x-coordinate of the vertex of the parabola whose equation is y = 3x^2 + 12x + 5 is x = -2.
Added 29 days ago|7/2/2014 3:02:34 AM
y(y + 4) - y = 6 is a quadratic equation. True False User: A circle has a diameter with endpoints of (-2, 8) and (6, 4). What is the center of the circle? (8, 12) (4, 12) (2, 6)
Weegy: Diameter=10.198 center=(2,6) User: Which of the following equations has only one solution? x 2 = 9 x(x - 1) = 9 x 2 - 6x + 9 = 0 Weegy: 6x - 5 = -17 solution is x = -2. Click on the "Good" button. Thank you. User: Which of the following equations is of a parabola with a vertex at (1, 2)? y = (x - 1) 2 - 2 y = (x - 1) 2 + 2 y = (x + 1) 2 - 2 y = (x + 1) 2 + 2 Weegy: A parabola whose equation is y = (x - 5)2 - 2 has a vertex at ... (More)
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Not Answered
Updated 28 days ago|7/2/2014 11:30:10 PM
4 Answers/Comments
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 a quadratic equation.
Added 28 days ago|7/2/2014 11:25:25 PM
The equation that has only one solution is x^2 - 6x + 9 = 0
Added 28 days ago|7/2/2014 11:26:15 PM
The equation of a parabola with a vertex at (1, 2) is: y = (x - 1)^2 + 2
Added 28 days ago|7/2/2014 11:26:57 PM
1 = 2x^2 + 7x
2x^2 + 7x - 1 = 0
a = 2, b = 7, c = -1
b^2 - 4ac = 7^2 - 4(2)(-1) = 49 + 8 = 57
Added 28 days ago|7/2/2014 11:30:10 PM
Twenty pounds of a salt-water solution contains fifteen percent salt. How much salt is in the water? 1.5 lb 2 lb 3 lb
Weegy: 15% of 20 is 3, so twenty pounds of a salt-water solution that contains fifteen percent salt contains 3 lb of salt. User: Twenty pounds of a salt-water solution contains fifteen percent salt. How much water must be added to weaken the solution to twelve percent salt? 3 lb 5 lb 12 lb Weegy: There is 3 lb of salt in the 20 lb of solution. If 3 lb is to be 12%, 100% is (3/12) x 100 = 25 lb in total. So 5 lb of water needs to be added. (More)
Question
Expert Answered
Asked 356 days ago|8/9/2013 3:07:44 PM
0 Answers/Comments
Find the mean of the following data set. 42, 45, 58, 63 42 47 52
Weegy: the mean of the following data set. 42, 45, 58, 63 is (42 + 45 + 58 + 63)/4 = 52, thus the mean of the following data set. 42, 45, 58, 63 is c.)52 User: Find the mean of the following data set. 42, 45, 58, 63. 42 47 52 Weegy: the mean of the following data set. 42, 45, 58, 63 is (42 + 45 + 58 + 63)/4 = 52, thus the mean of the following data set. 42, 45, 58, 63 is c.)52 User: Based on the data set shown, which of the following ... (More)
Question
Expert Answered
Asked 355 days ago|8/10/2013 4:30:01 PM
0 Answers/Comments
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3x + 2x = -35
Weegy: 1/4 (2x ? 12) = 2/3 (3x + 9); 1/2x - 3 = 2x + 6; 1/2x - 2x = 6 + 3; -3/2x = 9; x = 9 ? (-3/2); x = 9 * ...
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