693 Answered Questions for the topic Quadratic Equations

02/10/18

#### Parabolic Arch Question

A parabolic arch supports a bridge. The arch is 200m wide at its base and 4m tall in the middle. How high is a point on the arch that is 20m horizontally from one end?

Quadratic Equations

02/09/18

#### The two distinct solutions of the equations x^2 +bx + c = 0 are reciprocals. What is the value of c ?

I know the answer to this problem is 1 but still don't know the solution and find it pretty conflicting. I'm sure the answer is 1.

Quadratic Equations Polynomials

02/03/18

#### Due to some reason a plane started 30 min late. To reach the destination,1500 km away, in ,time , the pilot increased the speed by 100km/hour.Find the original

Can you please provide me with the solution of this problem.

Quadratic Equations

01/28/18

#### Please help me with this quastion

Given the quadratic equation (2k+1)x2 - 3kx+2k-4=0 has no roots.Find the range of the values of k

Quadratic Equations

01/28/18

#### Given that the equation mx^2 - 7nx + m = 0 has two equal roots. Find the ratio m:n

Given that the equation mx^2 - 7nx + m = 0 hatwo equal roots. Find the ratio m:n

Quadratic Equations Quadratic Functions

01/27/18

#### Creating Equation for Sum of Previous Values for Quartic Function

I have this equation that looks like f(x)=0.011x3+2.94x2+104.95x-795
Starting from x=8 and carrying on with only integers, what equation can I use to give me the sum of all previous numbers...
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Quadratic Equations

01/27/18

#### A question of quadratic eqn

A shopkeeper mixes two types of items costing 40$ and 50$. If he sells 50 kg of the mixture for 2200$, what may be the quantity of each item?

Quadratic Equations

01/27/18

#### Quadratic equation

Out of a group of goats, 2 times the square root of the number of goats were kept in shade, (1/4) of them were taken for grazing and 15 were sold, find the initial number of...
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Quadratic Equations

01/24/18

#### A rectangular picture 30cm wide and 50cm long is surrounded by a frame. Combined area of the picture and frame is 2016cm, what is

Please solve it in quadratic representation.

01/22/18

#### On what day does the exponential function surpass the quadratic model?

You’ve been offered jobs at two different companies, and each company offers a different form of payment. At one company, each day’s take-home pay will be the sum of that day’s wages plus the...
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#### Solve with quadratic formula..7x^2 - 10x - 1 = 0?

7x2 - 10x - 1 = 0

#### x^2 - 2x + 9 = 0...find the discriminant & determine types of solutions?

x2 - 2x + 9 = 0
A.)Find discriminant & determine types of solutions
B.)Solve with with quadratic formula

Quadratic Equations

01/11/18

#### Please help and read the description

Wendy took a trip from one city to another, a distance of 510 mi. She traveled part of the way by bus, which arrived at the train station just in time for Wendy to complete her journey by train....
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01/10/18

#### 21.7 is a good BMI for adults, and should differ no more than x. Write an equation to find the highest and lowest BMI for a healthy adult. Then solve if x=32.

Here's the whole question: Body Mass Index (BMI) is used by doctors to determine weight categories that may lead to health problems. According to the Centers for Disease Control and Prevention,...
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01/09/18

#### The coefficients of a, b, and c in the following quadratic equation are a = 1, b = 2, c = 1: x2 = 2x + 1 True False

need an asnwer asap, im so lost and cant continue on my work until i get this

Quadratic Equations

01/02/18

#### Quadratic equation, product of roots

It is given that one roots the quadratic equation x^2 + (p+3)x - p^2 = 0 , where p is a constant, is negative of the other. Find the value of the product of roots

Quadratic Equations

12/24/17

#### Determine three consecutive odd integers, if the square of the largest integer is 345 less than the sum of the squares of the two smaller integers.

this is a quadratic equations word problem i cannot seem to answer pls help i need to pass

Quadratic Equations Geometry

12/16/17

#### The area of a rectangle is 96 square inches. If the length is 4 times the width, then find the dimensions of the rectangle.

The area of a rectangle is square inches. If the length is times the width, then find the dimensions of the rectangle. Round off your answers to the nearest hundredth.

Quadratic Equations

12/15/17

#### its in a chapter on quadratic equations, and so that is the likely method to solve it.

its in a chapter on quadratic equations, and so that is the likely method to solve it.at a point 16 yards from the base of a tower, the distance to the top of the tower is 4 yards more than the...
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#### Solving equations with quadratic formula? 8n^2 + 4n - 16 = -n^2

8n2 + 4n - 16 = -n2

Quadratic Equations

12/12/17

#### the height h in feet of a baseball after t seconds is given by h=-16t^2+48t+16. At what value of t is the height of the baseball 52 feet?

quadratic equation

Quadratic Equations

12/11/17

#### Express through p and q the sum of the squares of the roots of the equation x2+px+q=0.

I need this asap because this is important

Quadratic Equations

12/07/17

#### Grade 10 Unit 5 math inquiry help please

when a graph of y= x^2 is transformed, the point (-3,9) moves to (-1,-3). Describe three sets of transformations that could make this happen. For each set, give the equation of the new parabola.

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