62 Answered Questions for the topic vertex

Vertex

05/14/16

Find the vertex and the extreme value of the function f (x) = -3x^2-4x-1....
Find the vertex and the extreme value of the functionf (x) = -3x^2-4x-1The extreme value is the maximum or minimum value of a quadratic function. Be sure to leave your answer as a reduced... more
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Vertex

05/13/16

Find the vertex and the extreme value of the function f (x) = -x^2+x+2.....
Find the vertex and the extreme value of the functionf (x) = -x^2+x+2The extreme value is the maximum or minimum value of a quadratic function. Be sure to leave your answer as a reduced... more
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05/06/16

What's the value of mn^-1?
f(x)=x2+6x-4   If the parabola described above is shifted m units to the right and n units up, the new vertex is (5,-6). What's the value of mn-1?
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Vertex

04/24/16

What is the vertex of y=—x^2 + 4x -1
Hi, this equation makes no sense. When I calculate the vertex I get (2,11) but my book is saying the answer is (2,3)? I don't understand how it can be (2,3) . This is what I did:    (-b)/(2a) =... more
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04/08/16

Which of the following could be the equation for a parabola that opens down with vertex (-11, -28)
A. Y=5(x+28)^2 -11 B. X=5(y+11)^2 -28 C.y=-5(x+11)^2 -28 D.x=-5(y+28)^2 -11
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03/08/16

Help me I'm confused on which formula to use
Y = x2 - 9
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02/01/16

How would you write the quadratic function y = -3x² + 18x - 2 in vertex form?
How would you write the quadratic function y = -3x² + 18x - 2 in vertex form? You'll need to calculate the vertex to find "h" and "k", and you'll need to use the value of "a". 1.) (x + 3)^2 + 25... more
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01/11/16

If a quadratic function has the vertex form of y = 2(x + 5)^2 - 4, what is the vertex?
Vertex form is y = a(x - h)^2 + k. If a quadratic function has the vertex form of y = 2(x + 5)^2 - 4, what is the vertex?   Thank you 
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01/11/16

Finding the Reflection Point Of y = 3(x + 7)^2 - 2
Vertex form is y = a(x - h)^2 + k. If a quadratic function has the vertex form of y = 3(x + 7)^2 - 2, then what is the reflection point for the y-intercept?   Thank you! 
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01/11/16

What is the vertex of the quadratic function y = -7x^2 + 28x - 5?
What is the vertex of the quadratic function y = -7x^2 + 28x - 5?    Thank you! 
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10/18/15

How do i find the vertex of a parabola given two points
Hi i have been really stuck on my assignment for a while particularly this part where i need two  find the vertex of a parabola given two points
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10/18/15

how do i find the vertex with the two point -1,0 and 5,0
Ive been looking on the web but nothing comes up with it. most just say they already have the vertex
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09/20/15

Quadratic Function
Find a formula for the quadratic function whose graph has a vertex at (-7,-3) and contains the point (-3, -7)
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09/20/15

Quadratic Function
Suppose g(x) = −2x2 +12x+4. Convert the quadratic function to vertex form by completing the square. Identify the vertex.
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09/20/15

Graphing Parabolas
Suppose g(x) = −(x + 3)2 − 4. State the coordinates of the vertex, the axis of symmetry and whether the parabola opens up or down.
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09/19/15

Identify the x-int and the vertex of the quadratic function
f(x)=2x^2-x+1   what I did: 2x^2/2 - x/2 = -1/2 x^2 - x/2 = -1/2 x^2 - x/2 +1/16 = -1/2 +1/16 (x-1/4)^2= -7/16 Vertex: (1/4, 7/16) But when I graph it the vertex is incorrect what is the... more
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Vertex Math Coordinates

07/16/15

Which of the following could be the coordinates of the fourth vertex?
The whole question is this:Three of the four vertices of a parallelogram are located at (1,1), (7,1), and (3,5). Which of the following could be the coordinates of the fourth vertex?I. (-3,5)II.... more
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07/08/15

Coordiante Geometry
 Each side of a square is 3 cm long. One vertex of the square is at (6,4) on the square coordinate grid marked in centimeter units. What are the possible combinations of another vertex of the... more
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06/10/15

Find a function whose graph is a parabola with this vertex and passes through this point
Parabola with vertex (7,8) that passes through the point (6,-9)
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06/04/15

Question is in description
Please explain answer with work/explanation. Very very confused.  If the area of a rectangle is 126 square inches and the width of the rectangle is 7 inches shorter than the length, what is the... more
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Vertex Equation

02/19/15

The graph of which equation has a vertex of (-2, 0)?
Choose one answer. A. y = (x - 2)2 + 2   B. y = 3(x + 2)2 + 1   C. y = 3(x - 2)2   D. y = 3(x + 2)2
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02/08/15

write equation of parabola that has vertex (-3,0) and goes through point (-5,4)
write equation of parabola that has vertex (-3,0) and goes through point (-5,4)   please  show work
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02/08/15

write equation of parabola that has vertex (2,0) and goes through point (1,3)
write equation of parabola that has vertex (2,0) and goes through point (1,3)     show work please
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Vertex

01/11/15

select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x^2 + 5x +9
select the x-coordinate of the vertex of the parabola defined by the function f(x) = -3x^2 + 5x +9
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Vertex

12/14/14

The underneath side of the bridge is an arch that can be modeled with the function y = -0.000495x 2 + 0.619x.How high above the river is the bridge?
Basically I need to find the vertex.
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