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July 25, 2014

Search: NEED MAJOR HELP! *QUADRATIC EQUATIONS*

Number of results: 37,310

Alg 1 quadratic equations
I'm doing quadratic equations x^2 +bx+c =0. I know how to questions like x^2 +17x +42 =0 but this one says, j^2-9jk-10k^2. I have no clue on what I need to do
October 11, 2011 by Austin

Maths (Linear and Quadratic Equations)
I need to solve a pair of equations where one is linear and the other is quadratic. 2x2 + 3xy + y2 = 0 3x + y = 2 last 2 in 2x2 is square root two, same after y2. help please!!!!!!!!!!!!!!!
November 21, 2012 by Saud

Algebra Quadratic Equations
I am trying to define the different appraoches to solving quadratic equations. My book says using quadratic formula, completing the sqaure and factoring. I thought completing the square would be by facotring? How are these two different?
February 5, 2008 by Marysvoice

Algebra (Quadratic Equations)
Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < - X ^ 2 X^2 + Y^2 < 16
April 27, 2011 by Christina

math
Describe the importance of quadratic equations to a basketball player, diver, or even a sniper. Give an example of a real-world situation where you would apply quadratic equations
February 17, 2012 by Leo

Algebra
How can you tell if an equation is quadratic and not linear? Quadratic equations contain a term that is squared (such as x^2). Linear equations are of the form y = mx + b, where m and b are constants. the variable in a quadratic equation must be squared ..but in linear ...
July 11, 2007 by Jess

Algebra 2 (Quadratic Equations)
Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I'm not sure how to actually work this problem out. Can anyone help me with this problem please.
April 18, 2012 by Greg

Maths
Its the old rabbit colony question using simultaneous linear and quadratic equations - and I need help: A colony of rabbits is growing so that the total number of rabbits (R) after number of weeks (t) is shown: on this table. t=5 R=140, t=10 R=200, t=15 R=280, t=20 R=400, t=25...
March 6, 2010 by LivviC

college geomrtry
What are the differences between linear and quadratic equations? How are these differences displayed in a graph? Write a brief scenario that can be modeled with a linear equation. Summarize a situation modeled by a quadratic equation. Are there equations that are neither ...
February 28, 2010 by Anonymous

Math
What are the differences between linear and quadratic equations? How are these differences displayed in a graph? Write a brief scenario that can be modeled with a linear equation. Summarize a situation modeled by a quadratic equation. Are there equations that are neither ...
January 17, 2010 by Michelle

Quadratic equations
I need to provide a quadratic equation that models the number of expected tickets sold each day x. (x=1 is the day tickets go one sale). tickets=-0.2x^2+12x+11
February 11, 2008 by Marysvoice

007031 Quadratic Equations
i need the test answers
March 19, 2013 by Anonymous

Quadratic Equations
If I were looking at a graph of a quadratic equation, how do I determine where the solutions are?
September 2, 2010 by Lynn

quadratic equations
can you solve the equation using the quadratic formula x2 + 3x = 7? Explain and provide an exact answer.
January 17, 2012 by becca

math
I'm doing solving quadratic equations.I need help with couple of problems. k(k+5)=0,4r^2=100
April 7, 2010 by lauren

quadratic equations
how do you know if a quadratic equation will have 1,2 or no solutions
January 4, 2009 by Anonymous

ALGEBRA-MAT117
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?
January 12, 2009 by Paradise

Math
Stupid question time. I need to figure out how to rearrange equations to solve for x in my chemistry homework, which involves putting equations in quadratic form first. But I can't for the life of me remember how to "rearrange" them correctly. So what in the step by step way ...
March 4, 2013 by Marcus

Algebra
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?
September 30, 2008 by Laura

ALGEBRA
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?
March 28, 2010 by GGIFT

algebra
Quadratic equations can be solved by graphing,using the quadratic formula, completing the square, and factoring. What are the pros and cons of the methods. when would each be appropriate?
February 7, 2012 by debby

Quadratic Equations
The question is Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I guess I am somewhat confused by the way it's written. Would I be graphing this to find out? I'm so confused with this problem. I ...
June 12, 2012 by Greg B.

Quadratic Equations
Can anybody tell me step wise step how to solve this quadratic equation? x^3-3x^2+4=0 Please tell me step wise step as i haven't solved such type of equations before. Thank You
April 14, 2011 by Akash

Algebra2
Find the polynomials roots to each of the following problems: #1) x^2+3x+1 #2) x^2+4x+3=0 #3) -2x^2+4x-5 #3 is not an equation. Dod you omit "= 0" at the end? #2 can be factored into (x+1)(x+3) = 0, so the roots are x=-1 and -3. #1 Use the quadratic equation for the roots [-b...
May 13, 2007 by Haylee

algebra II
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or two ...
October 7, 2008 by Nadia

algebra II
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or two ...
June 15, 2010 by hollywood

Algebra Quadratic Equations
What are the pros and cons of completing the square as a way to solve quadradic equations?
February 15, 2008 by Marysvoice

Solving Quadratic Equations
Perform step 1 on the equation. x^2+5X-6=0 and x^2+5x-6=0. How would i do this type of problem. I am so lost right now. I need some help
May 18, 2010 by Cha'Licia S.

chemistry
our lab experiment was Isolationa nd Identification of the Major Constituent of Clove Oil. We know the major component is Eugenol, but our professor wants us to write the equations for the extraction of eugenol from the distillate with dichloromethane and then the equation for...
April 20, 2011 by pamela

Algebra Quadratic Equations
I am supposed to write a quadratic equation using only the solutions and I am only given one solution:4. It can't be (x-4)=0. Can I use 0 to make (x-4)(x+0)=0?
February 28, 2008 by Micah

advanced math
Hi, I am trying to solve graphing quadratic equations. One of the problems is written as -x^2= -2x-1. So if I wanted to put this equation in the proper quadratic equation form, would it be -2x-1-x^2, or -x^2+-2x-1? I'm really not sure.
March 2, 2008 by Sharon

ALGEBRA
Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer?
March 28, 2010 by GGIFT

quadratic equations - math
Use any method to solve the following equations, giving your answers to 2 decimal places where necessary. If an equation has no real roots, state this is so. 1. x2-5x+7=0 2. (3x-4)=(4x-3)2
August 21, 2008 by anonymos NEEDS HELP!

Algebra 2
I need to know how to solve quadratic equations by factoring. Can you so a step by step explanation to this sample problem? 2 x -12x-28
November 30, 2009 by Joanna

ALGEBRA--MAT 117
Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Why?
January 12, 2009 by Paradise

math 117
Quadratic equations may be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Explain why.
December 5, 2011 by Anonymous

I need help with algebra ASAP!
I'm in Algebra 1 this year and I really need help solving these equations. Completing the square 1)c^2-7c= -12 2)x^2-2x-8= 0 Incomplete Quadratic Equations 1) 2x^2-2 = 16 Any advice will be appreciated! c^2-7c= -12 What is 1/2 of -7? Square that, and add to both sides. x^2-2x-...
August 24, 2005 by Jessica

Algebra/Quadratic equations
I have to make a word problem/story out of this quadratic equation -t^2+3t+18=0 The plot of the story I want to write about has to deal with world hunger, and food being dropped in to remote locations by helicopter. Can someone please help me come up with a word/problem that ...
May 12, 2014 by jarron

Algebra 2
Can you show your work please :/ 12. Use the quadratic formula to solve the equation. 4x2–6x–10=0 13. Simplify the number using the imaginary unit i. Square root of -16 14. Simplify the expression. -5+i/2i 15. What is the solution of the linear-quadratic system of equations? y...
November 16, 2012 by Robert

math,correction
Problem 10 use the quadratic formula to solve each of the following quadratic equations. 2x^2-5x = 3 My answer: solutions are 3 and - (1)/(2) Problem 16 3x^2-2x+1=0 My answer: (2+- radical (-8))/(6)
March 28, 2007 by jasmine20

Math
Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^2-5x=3 2. 3x^2-2x+1=0 Rearrange the equation in quadratic formula form. 2x^2 -5x -3 = 0 Then use the formula. Tell me what you don't understand about it if you don't know what to do next. I ...
June 13, 2007 by Tomika

ALGEBRA
Can anyone give an example of a scenario that can be modeled with a linear equation and a quadratic equation?? If there are equations that are not linear or quadratic, can you explain???
September 8, 2009 by ggift

Mat/117 DQ2
Quadratic equations may be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? Please provide examples. When might each method be most appropriate? Which method do you prefer? Explain why.
February 27, 2012 by Rose

Mat/117 DQ1
How do you know if a quadratic equation will have one, two, or no solutions?Please give examples. How do you find a quadratic equation if you are only given the solution? Please give an example.Is it possible to have different quadratic equations with the same solution? ...
February 27, 2012 by Rose

Algebra
Please help me to solve these two equations step by step. They are quadratic equations 1).2x^2+9x+4=0 2).5x^2=-7x
January 18, 2012 by Daleda

math
quadratic equation of 48x^2-32x-35=0 i need both answers you must use the quadratic formula
October 26, 2012 by danica

Chemistry
When solving Hess law problems,do we need to use all the equations given to get the Htotal or just choose the relevant equations that are related to the final equation required? Let's say there r 5 equations given,but the relevant equations are 3 only ,so we can neglect the ...
March 23, 2012 by Meenaakshi

Quadratic equations
OK. I think I have my head around most of this but for one question. I have plotted a graph with the quadratic equation tickets=-02x^2+12x+11. My graph opens down and shows I will sell tickets for 60 days peaking at the vertex at 30 days where I sell 191 tickets. Now I have to...
February 11, 2008 by Marysvoice

QUADRATIC EQUATION
r^2+8r=48 First bring the 48 to the other side of the equation r^2+8r-48=0 Now you can use the quadratic formula. x=-b+-sqrt(b^2-(4ac)) ŻŻŻŻŻŻŻ2aŻŻŻŻŻŻŻŻŻ So... a=1 b=8 c=-48 Now just plug the numbers into the quadratic equation and get your two answers. The answers are: x=-12...
May 29, 2007 by JOHN

Quadratic equation...
Hi Can anyone help me solve the quadratic equation for the following:- The motion of a two stage rocket is stated by it height y in metres above the ground since t seconds since launch. Flies vertically Ist stage burns for 5 seconds and cuts out. 2nd stage rocket is under ...
December 1, 2007 by Leo

quadratic equations
6^2-8+41=
June 11, 2012 by kim

graphing quadratic equations
Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box ...
June 23, 2010 by Anonymous

Algebra
I have major issues with problems like these,please I need help. For these systems of linear equations in questions -Determine how many solutions exist -Use either elimination or substitution to find the solutions (if any) 1. y = 2x + 3 and y = -x - 4 2. 2x + 3y = 8 and 3x + ...
June 10, 2012 by Vilma

Algebra II
quadratic equations Solve: 2x^2-5x=3 2x^2 -5x -3 = 0 (2x + 1)(x -3) = 0 x = -1/2 or 3
August 10, 2007 by Cynthia

quadratic equations
Please solve for x. ax^2 + bx +c=0
January 16, 2012 by lola

math
Still looking at how to solve these... Both are cubic polynomials? 43x^3 + 13x^2 + 18x - 456 = 0 DO I divide first by x-1? 2x(3x+2)^2=312 Honestly: I would graph the equations and find the roots first. I dont see them off hand. graph y=43x^3 + 13x^2 + 18x - 456 and y=2x(3x+2)^...
January 21, 2007 by mary

Physical Science- Balance Equations
Hi! Can someone please balance these equations, please?! I'm having major trouble! Thank you! HCl (aq) + NaHCO3 (aq) ¨ HBr (aq) + NH3 (aq) ¨ LiHCO3 (aq) + HI (aq) ¨
February 18, 2013 by Hallie

algebra
how do you solve quadratic equations Hlep
February 4, 2008 by carlos lopez

algebra2
9x(squared)+3x+16=0 factoring quadratic equations
May 15, 2008 by cody

math
solving quadratic equations 8s^3=72s
May 3, 2009 by Bryan

algebra 2
how do you solve quadratic equations by factoring?
November 30, 2009 by converse

Algebra.
Help PleaseDx ? Quadratic Equations ; 1. 4y^4+9=13y^2 2. x-3x 1/2+2=0 3. (x-5)^2+2(x-5)-35=0 4. (x-2)^2-3(x-2)+2=0 5. 2(x^2-5) - 13(x^2-5)+20=0 6. 2x 2/3 + 5 1/3=12 7.6x 2/3 -5x 1/3-6=0 8.x^-2 + 4x^-1=12 9.x^4-8x^2+7=0 10.x^4-2x^2-35=0
August 20, 2012 by Unknown

Algebra.
Help PleaseDx ? Quadratic Equations ; 1. 4y^4+9=13y^2 2. x-3x 1/2+2=0 3. (x-5)^2+2(x-5)-35=0 4. (x-2)^2-3(x-2)+2=0 5. 2(x^2-5) - 13(x^2-5)+20=0 6. 2x 2/3 + 5 1/3=12 7.6x 2/3 -5x 1/3-6=0 8.x^-2 + 4x^-1=12 9.x^4-8x^2+7=0 10.x^4-2x^2-35=0
August 20, 2012 by Unknown

Algebra2
Help PleaseDx ? Quadratic Equations ; 1. 4y^4+9=13y^2 2. x-3x 1/2+2=0 3. (x-5)^2+2(x-5)-35=0 4. (x-2)^2-3(x-2)+2=0 5. 2(x^2-5) - 13(x^2-5)+20=0 6. 2x 2/3 + 5 1/3=12 7.6x 2/3 -5x 1/3-6=0 8.x^-2 + 4x^-1=12 9.x^4-8x^2+7=0 10.x^4-2x^2-35=0
August 20, 2012 by Unknown.

Math- Special Cases of Quadratic Equations
x^2+5=30
August 21, 2012 by Babu

Math
How many solutions do Most quadratic equations have/ Is it 4
October 7, 2008 by Jackie

Math
How many solutions do Most quadratic equations have? Is it 2
October 7, 2008 by Jackie

HELP !!! Algebra 2
15. What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3} {y - x = 2}
November 16, 2012 by Robert

math
form the quadratic equations whose roots are(A:5 and -1/3
April 14, 2013 by pressly.

8th Grade Algebra
You know how to solve quadratic equations using algebra, graphs and the quadratic formula. Sometimes one method of solving is more convenient than another method. Describe how you would solve each equation. Give reasons for you answers. A) 16x^2 = 1600 B) x^2 - 350 = 0 C) x^2...
March 30, 2009 by Joy

Physics - please, I really need help
a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but I'm not sure how to ...
February 3, 2009 by Sam

questions
1.) Why are there usually two solutions in quadratic equations? 2.) Under what situation would one or more solutions of a rational equation be unacceptable? If putting the found "solution" cannot be put back into the original equation without violating fundamental math rules...
August 8, 2005 by leleirvin

Algebra
How do you find quadratic equations if you are only gven the solution?
February 3, 2008 by Marysvoice

algebra 2
how do you solve quadratic equations by finding square roots
November 30, 2009 by converse

Math
Solving quadratic equations by graphing? 3. x2-4x + 6 = 0 4. x2-4x-1=0 5. 4x2-12x + 3 = 0 6. x2-2x-4=0
February 27, 2011 by Erin

Integrated Math 1
Which of the following quadratic equations have the solutions x = -3 and x = 5? A. -1/2(x+3)(x-5)=0 B. (x+3)(x-5)=0 C. (x-3)(x+5)=0 D. -1/2(x-3)(x+5)=0
July 8, 2012 by Tifini

Algebra 1
When graphing quadratic equations, do you include the y-intercept on the graph?
April 25, 2014 by Victoria

Math
Learning about quadratic functions and equations, and I am struggling. It's so easy for others to understand, but math is my weakness, would appreciate all the help you could give. Notes and stuff would be great, as long as I understand. Quadratic Functions and Equations, ...
November 24, 2011 by -Untamed-

Algebra Quadratic Equations
When a quadratic equation has one solution, there will be one x-intercept; when there are two solutions, there will be two x-intercepts and when the equation has no solution, the graph will have no x-intercepts",is there another way of determining this?
February 13, 2008 by Marysvoice

math,algebra
can someone help me out factor out this 0=16t^2-122t+180 i have so far this but the last one i am not sure 8(2t^2-14t + ?) you need to use the quadratic formula: -b(+or-)[sqrt(b^2-4ac)/2a] so you are saying that i don't have to factor it out any further i can just continue to ...
April 6, 2007 by jasmin20

math - question
Why are there always at least two solutions in quadratic equations?
February 27, 2009 by candy

Algebra
How to factor quadratic equations when the exponent is the unknown? See example: 20/(1.10)^x = 40
February 27, 2010 by Ronnie

Math
5y(squared) + 4 = 14 solve quadratic equations by finding square roots
November 13, 2010 by Lola

math
can you explain to me how I would use Quadratic equations in everyday life
April 14, 2011 by patiance

Algebra
Is the point (-3,-2) a solution of the intersection of the following set of quadratic equations: Y < -X ^ 2X^2 + Y^2< 16
April 26, 2011 by Christina

Math
Solve the Following quadratic equations by completing the square. 7x(squared)+4x-13=8
August 2, 2012 by Emir

math
Hi, How could I find the line of best fit? I plotted each of the equations I had for a problem I'm solving. The equations were linear (y=ax+b) and quadratic (y=ax+b+c). I'm supposed to find out which line is the most appropriate for the data that is given to me. When looking ...
March 17, 2008 by Irene

Quadratic equations- word problem
The question is- Aki’s Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x) = 0.6x^2-0.8x+10.618, where C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the average cost per ...
February 16, 2008 by Marysvoice

Quadratic equations still
If you are looking at a graph of a quadrtic equation, how do you determine where the solutions are?
February 16, 2008 by Marysvoice

algebra
Is it possible to have different quadratic equations with the same solution? Explain.
March 2, 2008 by becky

Quadratic equations
x^2 + 2x + 2 = 0 The answer has an imaginary number in it which we're supposed to solve for, but I'm having trouble with it. Thanks for any help!
September 9, 2008 by Lucy

Math help
Which of the following quadratic equations has -4 and 3/4 as the solutions? a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7) c.)x^2+(30/7x)+(25/7) d.)x^2-(13/4x)+3 I substituted the values and I have the answer as (a.)
November 9, 2008 by Shawn

Math (Algebra)
Could someone help to explain to me how factoring is used to solve quadratic equations?
July 27, 2010 by Lynn

Math
Name two methods that are used to solve Quadratic Equations when they are irreducible.
February 15, 2012 by Abbie

maths
Prove that if p and q are rational and p is not equal to 0, the roots of the quadratic equations p x(square) + 2qx -p +2q = 0.
August 9, 2013 by Jayden Haddy

Algebra
What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3 {y - x = 2 So confused about how to do this any help is appreciated.
November 22, 2013 by Samantha Taylor Greenfield

Quadratic Equations
Whats The Next Step To This: 2025a+45b=-1.39 324a+18b=1.81
March 24, 2014 by Lanna

quadratic equations
Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box office...
January 24, 2012 by becca

Question For Bobpursley!
Can you give me some examples for how to solve quadratic equations? It would really help!
April 1, 2009 by Cody

Math
Explain how factoring is used to solve quadratic equations. Demonstrate the process with an example.
April 24, 2011 by Opera

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