236 Answered Questions for the topic Quadratic Formula

Quadratic Formula

2x^2 + 4x + 4 = 0

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.

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.

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.    

x= negative 6 plus or minus square root of 30

how do I get the answer

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... more

solve the given quadratic equations by using the quadratic formula

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

solve the quadratic equation by using the quadratic formula

x^2+50=0                           and                             x^2-4x+13=0

solve for X by using the Quadratic Formula

3x^2+8x-3=0                                   and                                  x^2=4x+1 

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?

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... more

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

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

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!

Solve using the quadratic formula

a. 5x2-3=14x     b. 1/3x^2=x+1/6

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

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... more

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... more

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.

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

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

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

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)=... more
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