225 Answered Questions for the topic Quadratic Functions

Quadratic Functions

11/06/15

Can you help me with this quadratic world problem?
An integer is five times more than another integer. Three times the larger integer is 11 more than the square of the smaller integer. Find the two integers. Explain how you found your answer.
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Quadratic Functions

11/04/15

A record label has collected the following data relating the selling price of an album to the profit generated.
A record label has collected the following data relating the sale price of an album to the profit generated.   Album profit as function of selling price:   Selling price = profit 6 =... more
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Quadratic Functions

11/04/15

A frame x inches wide is shown around a 12 inch by 18 inch rectangular picture. The area of the framed picture can be represented by the expression (2x+12)(2x+
A frame x inches wide is shown around a 12 inch by 18 inch rectangular picture. The area of the framed picture can be represented by the expression (2x+12)(2x+18). What is the width of the frame if... more
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Quadratic Functions

11/04/15

Write a quadratic equation for the parabola whose roots are -5/4 and 5.
A. y= 4x2 - 15x - 25 B. y= 4x2 + 15x +25 C. y= x2 - 15x - 25 D. y= x2 - 15x + 25
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Quadratic Functions

11/04/15

After transforming f(x) = 2x2 + 4x + 3 into vertex form, the vertex is easily identifiable. Which ordered pair is the vertex?
A. (0, 3) B. (1, 1) C. (-1, 1) D. (-3, 0)
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Quadratic Functions

11/04/15

A parabola has its vertex at (2, 1) and crosses x-axis at (1, 0) and at (3, 0). Which of the follwoing equations below has this parabola for its graph?
A. y= 1 - (x-2)2 (that's supposed to be to the second power) B. y= 1 + (x+2)2 (to the second power) C. y= -1 - (x+2)2 (to the second power) D. y= -1 - (x-2)2 (to the second power)
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Quadratic Functions

10/08/15

quadratic functions
write a quadratic function given the roots (3,0) and (-1,0) and the point (4,10)
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Quadratic Functions Algebra 2

09/21/15

f(x)=x^2-4x+6
I need help in finding the y-intercept equation of the-axis of symmetry  and the vertex.   appreciate the help! Thank you!
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Quadratic Functions Vertex Points

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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Quadratic Functions

09/16/15

Applications of Quadratic Functions
According to data from the U.S Census Bureau, the population ( in thousands) of Detroit, Michigan, in year x can be approximated by g(x) = -.417x^2 + 48.6x + 250, where x=0 corresponds to 1900. In... more
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Quadratic Functions Fractions Quadratic

09/08/15

What are the domain and range of the quadratic FUNCTION 1/2x^2+2?
f(x)=1/2x^2+2 find the: x | ? | ? | ? | ... y | ? | ? | ? | ...
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Quadratic Functions

08/10/15

The area of the flower bed is 45 write an equation to represent the area of the flower bed y and the width of the flower x . Let x be the width
A landscaper is creating a rectangular flower bed such that length is one least ham twice the width. The area of the flower bed is 45 write an equation to represent the area of the flower bed y and... more
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Quadratic Functions Transformations

07/13/15

Quadratic Tranformations
Describe the transformation of f(x)=-x^2 +2 from the parent quadratic function.
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Quadratic Functions

05/29/15

order each group of quadratic functions from widest to narrowest graph, f(x) = 4x^2 f(x) = 2/3x^2 f(x) = 3x^2
f(x) = 4x^2 f(x) = 2/3x^2 f(x) = 3x^2   i need these in order from widest to narrowest
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05/26/15

0 0 how do i find the number of real number solutions to an equation if there is no b value? All the equations I know for finding this need a b value.
U have a huge test retake coming up The problems I cant find answers for are -4=x^2-5 and -4=x^2+2x
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Quadratic Functions

05/19/15

Could you please help me make a table of values for this equation? I am confused
Y=-4x^2+14x+1
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Quadratic Functions Word Problem

04/16/15

A stone mason has enough stones to enclose a rectangular patio with a perimeter of 60ft, assuming that the attached house forms one side of the rectangle. What
A stone mason has enough stones to enclose a rectangular patio with a perimeter of 60ft, assuming that the attached house forms one side of the rectangle. What is the maximum area that the mason... more
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Quadratic Functions

04/14/15

The total profit made by an engineering firm is given by the function p = x^2 - 25x +5000. Find the minimum profit made by the company.
p = x2 - 25x + 5000  
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Quadratic Functions

04/06/15

How do I solve y=2x^2 by graphing using quadratic function?
How do I work it out?
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Quadratic Functions Quadratic Equations

03/24/15

the initial height of the ball is 5.2 feet. The ball is 20 feet in the air 1.5 seconds after it is thrown. It hits the ground in 6 seconds. Create an equation
 create an equation
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Quadratic Functions

03/21/15

Quadratic Functions
If an object is dropped from a height of 85 feet, the function h(t)=-16t^2+85 gives the height of the object after t seconds. Approximately, when will the object hit the ground?   A ball is... more
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03/20/15

An object is projected vertically upward with an initial velocity of v0 ft/sec, and its distance s(t) in feet above the ground after t seconds is given by....
the formula s(t) = −16t2 + v0t.   (a) If the object hits the ground after 12 seconds, find its initial velocity v0.v0 =        ft/sec(b) Find its maximum distance above the ground.s(t) =      ... more
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03/20/15

Basically i need to solve for the quadratic function in the form y=ax^2+bx+c with only three pairs of ccordinates, (-4, 0), (-2, 0) and (-8, 72).
The graph of a quadratic function meets the x-axis at the points (-4, 0) and (-2, 0). Given that the graph of the function also passes through the point (-8, 72), find the quadratic function in the... more
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Quadratic Functions

03/09/15

Complete the square to write the function in f(x) = a(x - h)2 + k form.
Complete the square to write the function in f(x) = a(x − h)2 + k form. Determine the vertex and the axis of symmetry of the graph of the function.f(x) = 2x2 + 12x + 10   f(x)=_____________
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