497 Answered Questions for the topic quadratic equation

Quadratic Equation

12/11/15

Window is 26 feet above ground. You have a 9 foot rose hedge next to the house. How long of a ladder do I need to get to the open window?
I need the length of a ladder to reach the window.  How would I figure this out?
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10/01/15

Quadratic Equations Help?
The problem I got was x2-2x+26=0 and the answer ended up being [1+5i,1-5i]. I don't understand how it up being that.
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Quadratic Equation Gravity

09/01/15

how long would it take a ball to fall 81 feet
How long will it take a ball to fall 81 feet
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Quadratic Equation

08/15/15

how do you obtain a quadratic model for a shape, a parabola
i have a parabola, the st louis arch and I am trying to obtain a quadratic model for it
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Quadratic Equation Solving Quadratic Equation

07/19/15

if one root of the equation 2x^2 + bx+16=0 is square of other value of b is.
in this question there are two variable but i want to find b.
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Quadratic Equation

07/14/15

If a number is subtracted from twice its reciprocal, the result is -23/5. What is the number?
You can solve this by using a quadratic equation.
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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 Equation

11/26/14

solve the following problem please
In a particular classroom with 20 students, the rate y at which a rumor spreads is related to the number of people x who have heard the rumor according to the bexpression y= 0.3x(20-x). Determine... more
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Quadratic Equation

11/26/14

solve using the quadratic equation
A projectile moves vertically upward such that its distant s(in feet) above the ground is given by s=200+150t-16t^2. Determine how high the projectile will go(to 3 significant digits).
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Quadratic Equation

11/26/14

solve using quadratic equation, question below
A ball is thrown downward from a window in a tall building. Its position at time (t) in seconds is s=16ft^2+32ft where s is in feet. How long(to the nearest tenth)_will it take the ball to fall 68ft?
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Quadratic Equation

11/26/14

solve this question using the quadratic equation
A projectile moves vertically upward such that its distance s (in feet) above the ground is given by s=100+200t-16ft^2. Determine when the projectile will hot the ground (to 0.1 s)
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Quadratic Equation Algebra 2 Solutions Discriminant

11/24/14

Determine the values of K for the equation
Determine the values of K for which 3x2+kx+12=0 has each type of solution justify each answer. a) exactly one real solution b)two imaginary solutions c)two real solutions
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Quadratic Equation

11/17/14

an integer is 29 more than 25 times another. ther product is 1428. find the two integers
an integer is 29 more than 25 times another. their product is 1428. find the two integers
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Quadratic Equation

10/02/14

Quadratic Equation
Write the quadratic equation whose roots are −1 and −4, and whose leading coefficient is 3.(Use the letter x to represent the variable.)
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Quadratic Equation

09/27/14

Graph y=-x^2-2x
I don't know how to solve for x and y
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Quadratic Equation

08/27/14

if the roots of the equation 6x^2-7x+k=0 are rational then k equal to??
if the roots of the equation 6x^2-7x+k=0 are rational then k equal to??
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Quadratic Equation

08/22/14

number of positive integers n for which n^2+96 is a perfect square is??
number of positive integers n for which n^2+96 is a perfect square is??
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Quadratic Equation Factoring

04/29/14

The expression for the length of a rectangular garden is x+3 and the (continued in desc)
Expression for the width is x-4. If the area of the garden is 60 sq ft, find the value of x   -Write a quadratic equation that represents this situation -Use factoring to find the value of... more
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Quadratic Equation Quadratic Functions

03/19/14

h = -4.9(t-1)²+6.3
  A trampoline artist bounces on a trampoline. Her height above the ground is modelled by the function above. h measures height....t measures time after she leaves the trampoline in... more
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Quadratic Equation

03/14/13

What is the quadratic formula? What is it used for?
What is the quadratic formula? What is it usedfor? Provide a useful example,
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Quadratic Equation

03/11/13

Quadratic equations, which are expressed in the form of ax2 + bx + c = 0
where a does not equal 0, can have more than one solution. Using thediscriminant and graph of a quadratic equation, how can you tell how many realsolutions a quadratic equation will have?
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Quadratic Equation

03/07/13

X^2+15x=-26
Completing a square
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