225 Answered Questions for the topic Quadratic Functions

Quadratic Functions

12/19/16

If you were told that a quadratic function crossed the x axis at 1 and -6 what is one possible equation?
If you were told that a quadratic function crossed the x axis at 1 and -6 what is one possible equation for that function?
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Quadratic Functions

12/19/16

if you graphed a quadratic function and notived that it crossed at -2 and 5 what whould the two factors of the function be
if you graphed a quadratic function and notived that it crossed at -2 and 5 what whould the two factors of the function be?
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Quadratic Functions Maths

12/11/16

A quadratic function passes on the coordinates (0,7) ; (1,17) ; (2,31) and (3, 49), and the symmetry axis is -2. I need to find the a!
My answer booklet says the answer is 4/2 (or 1/2), but I don't understand why it's not 4/1. Thank you in advance!
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Quadratic Functions

12/07/16

The total profit an engineering firm makes is given by the function P(x)=x^2-30x+4000. find the minimum profit made by firm
The total profit an engineering firm makes is given by the function P(x)=x^2-30x+4000. find the minimum profit made by firm
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Quadratic Functions

12/06/16

What is the line of symmetry of the quadratic function f(x)=(x-5)^2+11
What is the line of symmetry of the quadratic function f(x)=(x-5)^2+11
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Quadratic Functions

11/20/16

Quadratic function defined by the points
Write in standard form the quadratic function defined by the points (0,5), (5,0), and (3,-4). 
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11/13/16

Roots of a polynomial
The number of integer x such that x2x-3(2x+2)+25 =0   Please help with this roots question
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Quadratic Functions

10/30/16

find the quadratic equation with solutions -2 and -5
-2 and -5
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Quadratic Functions Word Problem Functions Word Problems

10/27/16

Find the maximum height of a model rocket launch algebraically.
A model rocket is launched with an initial velocity of 120 ft/sec from a height of 80ft. The height of the rocket t seconds after it has been launched is given by the function s(t)=-16t^2 +120t +... more
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Quadratic Functions

10/26/16

Tv questions
The width of a TV screen is 6 inches less than its length. The diagonal is 6 inches more then its length. How many inches is the TV's diagonal?
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Quadratic Functions Algebra 2 4 Points

10/18/16

How do i solve this quadratic function.
Find a quadratic function in standard form for each set of points. (0,3), (1,-4), (2,-9), (2,2)   I know how to do a 3 point equation but I'm stumped here, can someone explain to me how to solve... more
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Quadratic Functions

10/18/16

you are building a rectanle deck. the area of the deck should be 250 ft^2. you want the length of the deck to be 5 ft longer than twice the width.
what should the dimensions be?
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Quadratic Functions

10/13/16

h(x)=-0.03(x-14)^2+6. X=horizontal distance traveled in feet. h(x)=height in feet. Write a second function if the kangaroo lands 5 feet farther away
h(x)=-0.03(x-14)^2+6. <----- models a kangaroos jump It jumps from a higher location and lands 5 feet farther away Write a second function that represents that and round to the nearest... more
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Quadratic Functions Quadratic Word Problem Quadratics

10/12/16

Quadratic function (word problem)
henry jumps from a platform 10 meters above the surface of the water. the height of henry's jump can be modeled by the function h(t) = -5.3t^2 + 4.8t +10, where t is time in seconds after the jump.... more
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Quadratic Functions Algebra 1 Algebra 2 Algebra

10/05/16

Maximizing Area
A farmer has 200 ft of fencing and wants to build three adjacent rectangular corrals. Determine the dimensions that should be used to maximize the area, and find the area of each individual... more
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Quadratic Functions Algebra 1 Algebra 2 Algebra

10/05/16

Applications Involving Quadratic Functions
A quarterback throws a football with an initial velocity of 72 ft/sec at an angle of 25°. The height of the ball can be modeled by h(t) = -16t2 + 30.4t + 5 where h(t) is the height (in ft) and t is... more
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Quadratic Functions

09/28/16

Determine a Quadratic Equation Given its roots
Determine the equation in standard form for each quadratic function.   a) x-intercepts -2+√5 and -2 -√5, containing the point (-4,5)        
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Quadratic Functions

08/02/16

A projectile is thrown upward so that its distance above the ground after t seconds is given by thefunctionh(t)=-16t2+576t.
A projectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 576t. After how many seconds does the projectile take to reach its... more
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Quadratic Functions

07/26/16

The graph of a quadratic function
The graph of a quadratic function g(x) has vertex (4,2). It is known that g(6) = 22. a. Write the formula for g(x) in standard/vertex form g(x) = A(x-h)2 + K. Hint: you should be able to easily... more
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Quadratic Functions

07/26/16

Consider the function
Consider the function f(x) = -x2 - 6x + 9. a. Find the vertex of the graph of the function. b. Find the x-intercepts of the graph. Use exact values that are completely simplified. c. Find the... more
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Quadratic Functions

06/16/16

Find the vertex form of the quadratic function y=-x^2+4x+2.
please help
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Quadratic Functions Vertex Vertex Form

06/09/16

put in vertex form and determine vertex
write the quadratic function the form f(x)=a(x-h)^2+kthen, give the vertex of its graphquadratic function given: f(x)=3x^2+30x+74
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Quadratic Functions Math Mathematics

05/25/16

Consider the quadratic function f ( x ) = ( x + 2 ) ( 5 x - 25 ) f(x)=(x+2)(5x-25).
What are the x intercepts? What is the y intercept? What is the vertex point? What was does the parabola open? What is the equation for the line of symmetry?
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Quadratic Functions

05/22/16

Find the value of h(1)
Suppose the graph of y=h(x) is a parabola with axis of symmetry x=5, with h(5)=0 and h(9)=10.  Find the value of h(1).
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Quadratic Functions Graphing Curve Discriminant

05/17/16

Find the set of values for k?
Find the set of values for k for which the line y=2x−k meets the curve y=x2+kx−2 at two distinct points.   I only know you have to use a discriminant. :/
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