Question and answer
Which of the following equations is quadratic? x(x^2 + 1) = 0 5(4x + 2) = 3 (x + 3)(x + 4) = 5
Question
Asked 4/7/2014 5:13:15 PM
Updated 4/8/2014 8:40:33 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [4/8/2014 8:40:33 AM]
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Original conversation
User: Which of the following equations is quadratic? x(x^2 + 1) = 0 5(4x + 2) = 3 (x + 3)(x + 4) = 5

Weegy: The equation (x + 3)(x + 4) = 5 is quadratic.



User: If (x + 5)(x - 2) = 18, then which of the following statements is true? x + 7 = 0 or x - 4 = 0 x + 5 = 0 or x - 2 = 0 x + 5 = 6 or x - 2 = 3

Weegy: 9(x - 2) = 18 is x = 4.



User: The graph of y = ax^2 + bx + c passes through the points (-2, 0), (0, -2), and (2, 0). Determine the solution set of 0 = ax^2 + bx + c. {-2} {0} {-2, 2} {-2, 0, 2}

Weegy: The graph of y = ax^2 + bx + c passes through the points (-2, 0), (0, -2), and (2, 0). The solution set of 0 = ax 2 + bx + c is {-2, 2}



User: Give the values of a, b, and c from the general form of the equation (2x + 1)(x - 2) = 0. a = 2, b = -3, c = -2 a = 2, b = 5, c = -2 a = 3, b = 1, c = -1

User: The width and the length of a rectangle are consecutive even integers. If the width is decreased by 3 inches, then the area of the resulting rectangle is 24 square inches. What is the area of the original rectangle? 12 square inches 48 square inches 96 square inches

Weegy: The width and the length of a rectangle are consecutive even integers. If the width is decreased by 3 inches, then the area of the resulting rectangle is 24 square inches. What is the area of the original rectangle? B. [ 48 square inches ]
drop3v8|Points 175|

User: What is the solution set of 7x^2 + 3x = 0? {0, 3/7} {0, -3/7} {0, -4/7}

Weegy: The solution set of 7x^2 + 3x = 0 is: B. {0, -3/7}.




User: An object is dropped off a building that is 144 feet tall. After how many seconds does the object hit the ground? (s = 16t^2) 3 seconds 4 seconds 9 seconds

Weegy: 16t^2 = 144 Simplify, divide both sides by 16 t^2 = 9 t = 3 seconds
swatz89|Points 101|

User: The square of a number exceeds that number by 12. What are the two possible solutions? 3 or -4 3 or 4 -3 or 4

User: Which of the following points lies on the graph of y = x^2 - 2x + 6? (-3, 21) (-2, 0) (-1, 10)

Question
Asked 4/7/2014 5:13:15 PM
Updated 4/8/2014 8:40:33 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [4/8/2014 8:40:33 AM]
New answers
Rating
8
(x + 5)(x - 2) = 18
x^2 + 3x - 10 = 18
x^2 + 3x - 28 = 0
(x + 7)(x - 4) = 0
x + 7 = 0 or x - 4 = 0
Added 4/8/2014 8:40:28 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/8/2014 8:44:33 AM]
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Questions asked by the same visitor
A ball is dropped from a treetop 64 feet above the ground. How long does it take to hit the ground? (s = 16t^2) 1 second 2 seconds 3 seconds
Question
Updated 4/7/2014 10:35:29 PM
1 Answer/Comment
A ball is dropped from a treetop 64 feet above the ground. It will take 2 seconds to hit the ground.
(s = 16t^2).
Added 4/7/2014 10:35:29 PM
This answer has been confirmed as correct and helpful.
Which of the following equations has only one solution? x ^2 + 4x + 4 = 0 x^ 2 + x = 0 x^ 2 - 1 = 0 User: What is the solution set of the following equation? 1/5x 2 = x -4/5 {-1, -4} {1, -4} {1, 4} User: What is the solution set of the following equation? 1/5x^2 = x -4/5 {-1, -4} {1, -4} {1, 4} User: What is the solution set of the following equation? (2x - 5)(3x + 1) = 0 {-5/2, 1/3} {-1/3, 5/2} {-3, 2/5}
Weegy: (3x-2) squared is 9x^2 - 12x + 4. (More)
Question
Updated 4/8/2014 9:49:45 AM
3 Answers/Comments
The solution set of the following equation (2x - 5)(3x + 1) = 0 is {-1/3, 5/2}.
Added 4/8/2014 9:43:24 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/8/2014 9:48:34 AM]
The solution set of the following equation 1/5x^2 = x -4/5 is {1, 4}
1/5x^2 = x -4/5
x^2 = 5x - 4
x^2 - 5x + 4 = 0
(x - 1)(x - 4) = 0
x =1 or x = 4
Added 4/8/2014 9:48:07 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/8/2014 9:48:34 AM]
The following equation that has only one solution is x^2 + 4x + 4 = 0.
Added 4/8/2014 9:49:45 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/8/2014 11:33:51 AM]
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