236 Answered Questions for the topic Quadratic Formula

10/06/15

#### How do you do the quadratic formula?

I just need to know how to use the quadratic formula so I can begin to understand it in a better and easier way.

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.

09/25/15

#### stuck and cant figure it out

can i get help in solving this.
the question is:
solve by using quadramatic formula:
3p2 + 7p + 4 = 0
how do i figure this out by using a calculator.

09/18/15

#### The average prescription prices P (in dollars) from 1997 through 2004

can be approximated by the model P=0.1220t^2 + 1.529t + 18.72, 7 <= t <=14, where t represents the year, with t=7 corresponding to 1997.
a) determine algebraically when the average retail...
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09/16/15

#### solve the given quadratic equations by using the quadratic formula

x^2-8x+20=0 and 4x^2-4x+17=0

09/03/15

#### Algebra help

mike and kim invest$12000 in equipment to print yearbooks for schools. Each yearbook costs $5 to print and sells for $15. How many yearbooks must they sell before their business breaks even?

07/13/15

#### Solving Word Problems with the quadratic formula

A rectangle has sides of length x feet and 2x+2 feet with an area of 24 square feet. Cassandra uses the quadratic formula and finds that x equals 3 and -4. She determines that this means the sides...
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07/03/15

#### Determine the type and number of solutions of x^2-12x+36=0

Determine the type and number of solutions of x2-12x+36=0
Please and thank you

07/03/15

#### Determine the type and number of solutions of 3x^2+6x+4=0

Determine the type and number of solutions of 3x2+6x+4=0
Please answer, thank you very much for your help

07/03/15

#### Determine the type and number of solutions of 6x^2-7x-4=0

Determine the type and number of solutions of 6x2-7x-4=0
Please and thank you!

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

05/26/15

#### 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.

I need help becauuse i have a test retake tomorrow, got a 71 first time, really dont want to screw this up please help
example problem: -4=x^2-5
additional problem on my test retake i dont know...
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04/12/15

#### A rectangular pool is 20 feet wide and 50 feet long.

A rectangular pool is 20 feet wide and 50 feet long. A deck used for sunning surrounds the pool. The deck is the same width all the way around the pool. The total area of the deck is 456 square...
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03/05/15

#### How many seconds will the tightrope walker fall before landing on the safety net?

If a tightrope walker falls, he will land on a safety net. .His height h in feet after a fall can be modeled by h(t) = 60 - 16t2, where t is the time in seconds.

03/04/15

#### Solve each equation using the designated method

Solve 2x^2 + 8x -4 = 0 by completing the square.
Solve (x^2 +x)^2 -3(x^2+x) +2=0 using substitution, factoring, and the quadratic formula

02/22/15

#### What values of a,b, and c should be substituted in the quadratic formula or solve 5x^2-3x+2=0

why should it be substituted to solve

02/13/15

#### The length of a rectangular garden is 7 meters less than width. Find the dimensions of the garden, if the area is 20 square meters

Quadratic formula

01/18/15

#### solve x^2+2x-3=0 by completing the square

x^2 +2x -3 =0
solve by completing the square and then by quadratic formula

01/12/15

#### Please help!!

Find the zeros of each function by using the quadratic formula.
F(x) = x2(squared) +10x+9
g(x) = 2x2(squared) +4x -12
h(x)= 3x2(squared)-3x+3/4
f(x)=...
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