07/17/17

#### Need help with a question using the quadratic formula

Could someone help me with this question step-by-step using the quadratic formula?   3x²-17x+10

07/13/17

I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28-----------     2  However I'm not too sure what to do next, help?

07/13/17

I've been having trouble with this problem:   x2 + 2x = 8   So far this is what I got:   -2±√-28-----------      2   However I'm not too sure what to do next, help?

07/13/17

#### One, Two, or No Real Solution Problem.

How do I know if this has One, Two, or No Real Solution?   -3x^2 + 5x - 1 = 0

06/28/17

05/08/17

#### Use the technique of completing the square to transform the quadratic equation into the form (x + c)^2 = a.

Question1. 6x^2 – 36x + 42 = 0 Question2. 3x^2 – 48x + 153 = 0

04/29/17

How to get the formula s=1/2(αβ/α+β)t2

03/24/17

#### how do i solve with quadratic formula?

what is the exact process of the Quadratic Formula?

03/15/17

#### suppose that the equation v=5.5x^2-440x+17500 represents the value of a car from 1970 to 2017. What year did the car have the least value? (x=0 in 1970)

suppose that the equation v=5.5x^2-440x+17500 represents the value of a car from 1970 to 2017. What year did the car have the least value? (x=0 in 1970)

03/07/17

#### Find the dimensions of the fielld

The area of the field is 800 yd.² The length of the field is twice the width

03/07/17

#### 9w^2 – 7 = 0

The answer must be in decimal in hundreths

02/15/17

#### A number is 30 less than its square .

A number is 30 less than its square.find the numbers

01/23/17

12/09/16

#### Julie wants to build a sidewalk of uniform width around her garden.

Julie wants to build a sidewalk of uniform width around her garden. Her garden is rectangular, and its dimensions are 20 feet by 30 feet. She has enough pavers to cover 900 square feet and wants to... more

12/07/16

i bought a truckload of wreaths for 750$and priced them so I would make a 2$ profit on each one sold. When i sell all but 100 wreaths, i break even. how many wreaths were in the truckload?

12/05/16

#### How long does he have until the ball reaches the ground?

Draco steals and throws Neville's red ball straight up at 78 feet per second from about 10 feet above the ground. The ball's height in feet above the ground after t seconds is given by... more

11/29/16

#### What are the lengths of the sides of the mirror and the painting?

A square mirror has sides measuring 2 feet less than the sides of a square painting. If the difference between their areas is 32 square feet, find the lengths of the sides of the mirror and painting.  more

11/28/16

#### What are its dimensions?

Someone installs 96 feet of electric fencing around a rectangular headquarters. If the headquarters covers 540 square feet, what are its dimensions?

11/20/16

A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3 where h is the height, in metres, above the ground and t is the time,... more

11/16/16

#### What is this formula for in the mathematic point of view?

I have derived a formula and I wonder what formula is similar to this one in a mathematical point of view?   F = (X2 - Y2)/ (X - Y )2   Is there any formula that looks like this one and is used... more

11/07/16

#### When will the object hit the ground after it is launched? Explain how you found your answer

An object is launched from the ground. The object’s height, in feet, can be described by the quadratic function h(t) = 80t – 16t2, where t is the time, in seconds, since the object was launched.

11/04/16

#### Solve the equation x = 2 × 1 x + 1

Find a number that is exactly 1 more than 2 times its reciprocal. That is, solve the equation x = 2 × 1 x + 1.

10/23/16

x^2-3x-5=0

10/17/16

10/16/16

#### Newspaper profit

A newspaper's profit is \$20 per year for each of its 2,500 subscribers. Management estimates that the profit per subscriber will increase by 1¢ for each additional subscriber over the current... more

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