Write the quadratic equation in general form and then choose the value of "b." (2x

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Write the quadratic equation in general form and then choose the value of "b." (2x - 1)(x + 5) = 0 9 10 11

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Asked 6/25/2012 11:04:32 AM

Updated 7/13/2014 8:39:30 PM

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User: What is the radius of the circle whose equation is x2 + y2 = 9? 3 9 81

User: Write the quadratic equation in general form and then choose the value of "b." (2x - 1)(x + 5) = 0 9 10 11

Weegy: A.0
japs2310qa|Points 1539|

User: (2x - 1)(x + 5) = 0 a.9 b.10 c.11

Weegy: x= 3/2
ttcany|Points 957|

User: Which of the following points is in the solution set of y < x2 - x - 6? (-2, -1) (0, -5) (3, 0)

User: The line of symmetry for the quadratic equation y = ax2 - 8x - 3 is x = 2. What is the value of "a"? -2 -1 2

Weegy: c.2. y' = 2ax - 8 = 0, a = 2.
eturker|Points 2247|

User: The graph of y = ax2 + bx + c is a parabola that opens up and has a vertex at (-2, 5). What is the solution set of the related equation 0 = ax2 + bx + c? a.Ø b.{-2} c.{5}

Weegy: ax2 + bx = -5
elgiant|Points 481|

User: What is the solution set of 6x2 - 24 = 0? {-2, 2} {-2} {2}

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: Does not understand the math equation you have presented us with. Please check again and resend.
newyork1990|Points 75|

Question

Asked 6/25/2012 11:04:32 AM

Updated 7/13/2014 8:39:30 PM

5 Answers/Comments

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yeswey

The radius of the circle whose equation is x^2 + y^2 = 9 is 3.

Added 7/13/2014 8:29:00 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [7/18/2014 4:43:16 PM]

yeswey

(2x - 1)(x + 5) = 0
2x^2 + 10x - x - 5 = 0
2x^2 + 9x - 5 = 0 which is the general form
The value of "b" is 9.

Added 7/13/2014 8:35:08 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [7/18/2014 4:43:17 PM]

yeswey

(-2, -1) is in the solution set of y < x^2 - x - 6.

Added 7/13/2014 8:36:10 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [7/18/2014 4:43:18 PM]

yeswey

The solution set of 6x^2 - 24 = 0 is {-2, 2}.
6x^2 - 24 = 0
6x^2 = 24
x^2 = 24/6 = 4
x = 2 or -2.

Added 7/13/2014 8:38:39 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [7/18/2014 4:43:19 PM]

yeswey

y = (x - 1)^2 + 2 is of a parabola with a vertex at (1, 2).

Added 7/13/2014 8:39:30 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [7/18/2014 4:43:21 PM]

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What is the solution set of 7x^2 + 3x = 0? a.{0, 3/7} b.{0, -3/7} c.{0, -4/7}

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Updated 1/16/2014 2:14:29 PM

1 Answer/Comment

andrewpallarca

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

Added 1/16/2014 2:14:29 PM

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t Object]User: Which of the following describes the translation of the graph of y = x2 to obtain the graph of y = -x2 - 3? reflect over the x-axis and shift left 3 reflect over the x-axis and shift down 3 reflect over the y-axis and shift down 3

Weegy: Yes it is, as it is the same distance from the central line. The central line is called the mirror line, and it doesn't matter which direction the mirror line goes, the reflected image is always the same. User: What is the solution set of 6x2 - 24 = 0? {-2, 2} {-2} {2} (More)

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Updated 7/23/2014 11:30:10 PM

1 Answer/Comment

yeswey

The solution set of 6x^2 - 24 = 0 is {-2, 2}
6x^2 - 24 = 0
6(x^2 - 4) = 0
6(x + 2)(x - 2) = 0
x = -2 or x = 2

Added 7/23/2014 11:30:10 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/23/2014 11:46:32 PM]

Evaluate m0 - n2 for m = 2 and n = -1. -1 0 1

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Question

Updated 6/27/2014 4:42:10 PM

2 Answers/Comments

yeswey

when m = 2 and n = -1.
m^0 - n^2 = 2^0 - (-1)^2 = 1 - 1 = 0

Added 6/27/2014 4:41:45 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [6/27/2014 11:12:21 PM]

yeswey

(81)^0 = 1

Added 6/27/2014 4:42:10 PM

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Confirmed by jeifunk [6/27/2014 11:12:28 PM]

Find the product. (-4·3·2)2 -48 48 -576 576

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Question

Updated 7/26/2014 11:44:17 AM

1 Answer/Comment

alfred123

(-4*3*2)^2

= (-24)^2;

= 576

Added 7/26/2014 11:44:17 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [7/26/2014 11:45:40 AM]

Which of the following equations is of a parabola with a vertex at (0, -3)? y = (x - 3)^2 y = (x + 3)^2 y = x^2- 3 y = x^2+ 3

Weegy: Does not understand the math equation you have presented us with. Please check again and resend. User: Which of the following equations is of a parabola with a vertex at (0, -3)? a.y = (x - 3)^2 b.y = (x + 3)^2 c.y = x^2- 3 d.y = x^2+ 3 Weegy: Does not understand the math equation you have presented us with. Please check again and resend. User: A person purchased 5k + 2 items for a total cost of 35k2 + 29k + 6. Find the average cost per item of this purchase. 7k + 3 3k + 7 3k + 4 Weegy: Kindly clarify the prices. Thanks! User: A person purchased 5k + 2 items for a total cost of 35k2 + 29k + 6. Find the average cost per item of this purchase. a.7k + 3 b.3k + 7 c.3k + 4 Weegy: Kindly clarify the prices. Thanks! User: Perform the indicated operation. (r4 - r2 + 4) ÷ (r2 - r + 2) r² + r - 2 r² + r - 2 R -4r r² + r - 2 R -4r+8 (More)

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Updated 6/26/2014 11:17:53 PM

1 Answer/Comment

yeswey

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Added 6/26/2014 11:17:50 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [6/26/2014 11:23:15 PM]

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