497 Answered Questions for the topic quadratic equation

Quadratic Equation Algebra 2

02/21/19

The sum of consecutive integers 1,2,3...n is given by the formula 1/2n(n+1). How many consecutive integers, starting with 1, must be added to get a sum of 990?
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Quadratic Equation Math Quadratic Formula

02/17/19

What is the difference in writing a quadratic equation?
The quadratic for the roots 3/7 and 10/3 is -21x2+79x-30.But is there a difference if it was written as 21x2-79x+30?
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Quadratic Equation Algebra 2

02/17/19

If minus a is the solution of the equation x square +3ax+t is equal to zero find the value of t
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Quadratic Equation Algebra 2

02/14/19

Equation only for Area
What is the equation for area of a playground whose length is twice as long as its width
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02/13/19

Quadratic Word Questions
A rock is thrown upward with a velocity of 15 meters per second from the top of a 34 meter high cliff, it misses the cliff on the way back down. When will the rock be 5 meters from the water,... more
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Quadratic Equation

02/12/19

Compute the value of the discriminant and give the number of real solutions of the quadratic equation. 2x^2-8x+1=0
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Quadratic Equation Math Algebra 1 Algebra

02/08/19

Write the quadratic equation whose roots are

Write the quadratic equation whose roots are −6 and 2, and whose leading coefficient is 3.
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Quadratic Equation Algebra 2

02/06/19

A ball is thrown from an initial height of 2 meters with an initial upward velocity of 25 m/s. The ball's height h (in meters) after t seconds is given by the following

h=2+25t-5t^2Find all values of t for which the ball's height is 7 meters.Round your answer(s) to the nearest hundredth.
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Quadratic Equation Algebra

01/25/19

Algebra homework help!
Find the perimeter of a square whose side length is described by the expression 2m-3?
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Quadratic Equation Algebra 2

01/24/19

Quadratic equation
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the time that the rocket... more
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Quadratic Equation Algebra 1

01/24/19

Quadratic Word problem
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find out the time at which the... more
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Quadratic Equation Algebra 1

01/17/19

Real World Applications Of Quadratics

A highway underpass is parabolic in shape. If the curve of the underpass can be modeled by h(x)=50-0.02x^2, where x and h(x) are in feet, then how high is the highest point of the underpass, and... more
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Quadratic Equation Algebra

01/16/19

Quadratic Equation/Algebra
If football is punted into the air. It’s height h, in meters, after t seconds is given by the equation h=-4.9+24.5t+1. How high is the ball after 1 second? Find the maximum height of the ball to... more
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Quadratic Equation

01/12/19

Find all values of t for which the expression in undefined.

T+4——-t^2 -36
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Quadratic Equation Math Algebra 1 Algebra 2

01/05/19

create an equation for the parabola for sydney harbour bridge with the height of 440 ft and distance between towers is 1,650 ft
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Quadratic Equation

01/03/19

Quadratic Equations
The solutions of the equation 2x2+5x-12=0 are m and n. What is the value of (m-1)(n-1)? Express your answer as a common fraction.
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Quadratic Equation

12/16/18

The length and breadth of a rectangle are (4×+7)cm and (5x-4)cm respectively. If the area of rectangle is 209 cm, 1)find the Value of x 2) the perimeter of the rectangle

Quadratic equations and graphs
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Quadratic Equation

12/16/18

The area of a rectangle is 22 square feet. If the length is 4 feet more than 6 times the width, then find the dimensions of the rectangle. Round off your answers to the nearest hundredth.
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Quadratic Equation Math Algebra 2 Parabola

12/11/18

Hi so I need to find the equation in standard form of the parabola that passes through the points: (1,-2), (2,-2), and (3,-4)
I have tried to figure out what a, b, or c equals and I just cannot figure it out and now I am crying because I have tried different things for 20 minutes now.
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Quadratic Equation

12/03/18

The area of a is 99yd and the length of the rectangle is 7yd more than twice the width. Find the dimensions of the rectangle

The area of a rectangle is 99yd and the length of the rectangle is 7yd more than twice the width. Find the dimensions of the rectangle.
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Quadratic Equation Algebra 2

11/21/18

Algebra 2 - Quadratic Formula
Fundraising: Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges for each box of seeds. The equation p = -0.5x2 + 25x... more
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Quadratic Equation Factoring Algebra Ii

11/10/18

How would you solve the following equation by factoring?
I have 4x2-27x+18=0While I know you usually begin by finding a factor of all three numbers, there is not one for these numbers. How would I continue?
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Quadratic Equation

11/06/18

Quadratic Equations
The shortest leg of a triangle is 7 feet shorter than the other leg. The hypotenuse of this triangle is 17 feet. What are the lengths of the two legs of this triangle? The shortest leg is_____ ... more
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Quadratic Equation Pre Calculus Quadratics

11/04/18

Finding b in a peculiar quadratic formula
So, the equation is described as:(x^2 -ax- 4) / (x + 1) = 0. The question states that there is one solution to the quadratic formula and is asking me to find the value of a (I wrote it as being b... more
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Quadratic Equation

10/29/18

Math Problem #29
Write an equation for the transformation: y=x^2, 4 units right, reflection over the x-axis
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