Weegy: A.0
User: (2x - 1)(x + 5) = 0
a.9
b.10
c.11
Weegy: x= 3/2
User: Which of the following points is in the solution set of y
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.
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
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.
(More) 8
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]
8
(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]
8
(-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]
8
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]
8
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]
