696 Answered Questions for the topic Quadratic Equations

Quadratic Equations Quadratic Functions

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 Equations

03/24/15

b^2-4b+4=16
need help with quadratic equations
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Quadratic Equations

03/22/15

Quadratic Equations
Use the graph of f(x) to find the solutions to the equation f(x)=0.   What are the solutions of the equation 2x^2=8? Use a graph of a related function whose roots answer the question.
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Quadratic Equations

03/21/15

If I add the square of a number to the number itself, I get 30.What could the number be
how would the equation be written? 
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Quadratic Equations

03/21/15

find the speed of the wind.
an airplane flew 660 miles with the wind,and then took 40 minutes longer for the return flight against this wind.if the planes flies 200 miles per hour in still air,find the speed of the wind.
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Quadratic Equations

03/20/15

Quadratic Equations
How many real-number solutions does the equation have? -7x^2+6x+3=0   How many real-number solutions does the equation have? 0=3x^2+18x+27
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Quadratic Equations

03/20/15

Quadratic Equation
A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides, as shown at the right. http://sketchtoy.com/64751880  The school has... more
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Quadratic Equations

03/17/15

How many real number solutions are there to the equation 0 = –3x² + x – 4?
0 = –3x² + x – 4
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Quadratic Equations Maths Ib Maths Maths Please Help

03/10/15

Quadratic models: Parabola graph of ax^2+bx+c
A parabola graph has the Vertex and Y-intercept is A(0,8) and x-intercepts of B(3,0) and C(-3,0)....   Question 1) The parabola has the equation ax^2+bx+c , Use "A(0.8)" to find the value of "b"... more
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Quadratic Equations

03/08/15

What is the solution to these quadratic equations x^2+4=10 and 2(x-7)^2=98
Simplify if possible
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Quadratic Equations

03/08/15

What is the solution of this quadratic equation x^2=18
Simplify solution if possible
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03/04/15

One positive integer is 5 less than twice another. The sum of their squares is 250. Find the integers.
One positive integer is 5 less than twice another. The sum of their squares is 250. Find the integers.
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Quadratic Equations

03/04/15

what are the dimensions of Mr. Kuzbary's rectangular back yard?
Mr. Kuzbary cannot measure the length and width of his rectangular back yard to to lots of stuff in the way, but because he is a math wizard, he knows the length is 6 feet more than the width. He... more
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Quadratic Equations

03/02/15

31 velocity
You throw a ball in the air with an initial velocity of 31 feet per second. The ball leaves your hand when it is 6 feet above the ground. You catch the ball when it reaches a height of 4 feet.... more
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Quadratic Equations

03/02/15

solve the equation
Solve the equation. Approximate the solutions to the nearest hundredth. (Enter your answers as a comma-separated list.)Let g(x) = 4.2x2 + 0.6x. For what value(s) of x is g(x) = 3.15?
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Quadratic Equations

03/02/15

Find the length, in feet, of the ladder.
A ladder of length 2x+1 feet is positioned against a wall such that the bottom is x−1 feet away from a wall. The distance between the floor and the top of the ladder is 2x feet.
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Quadratic Equations

03/01/15

f(x) = -9x2 + 6x + 9
f(x) = -9x2 + 6x + 9  
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Quadratic Equations Velocity

02/28/15

A duck is thrown into the air with an initial velocity of 100ft/s ....
I was given this formula: s=-16t2+v0t+S0   A rubber duckie is thrown into the air from the ground with an initial velocity of 100ft/s. Neglecting air resistaqnce, what is the formula for its... more
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Quadratic Equations

02/23/15

Find the dimensions of the original rectangle. Use quadratic formula
The length of a rectangle is 7 units more than its width. If the width is doubled and the length is increased by 2, the area is increased by 42 square units. Find the dimensions of the original... more
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Quadratic Equations

02/21/15

How to solve and what method for 0=3x^2-4x+12
Solve the quadratic equation  method used and why
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Quadratic Equations

02/08/15

what kind of relationship between variables is described by a quadratic equation?
I'd  like a more practical answer...like dependent relationship, or inverse relationship...if there IS such a thing, for quadratic equations.
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Quadratic Equations

02/08/15

A garden is in the shape of a right triangle. The sides of the triangle are 4m and 1m less then its hypotenuse
Label the Figure below. Then write a quadratic equation in the form of ax2+bx+c=0 to represent the relationships between the sides of the right triangle
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Quadratic Equations Quadratic Word Problem

02/07/15

Quadratic word equation, please help!
Soula has 90 meters of fencing to enclose an area in a petting zoo with two dividers to separate three types of young animals. The three pens have the same area. Express the area function for the... more
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Quadratic Equations

02/05/15

What is y?
y=-4x2-16x-10
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Quadratic Equations Quadratic Word Problem

02/03/15

the product of two consecutive odd numbers is 323. find the numbers
Word problem leading to quadratic equations
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