Thursday

December 18, 2014

December 18, 2014

Number of results: 38,927

**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*

**Math**

I can't remember how you find the roots of quadratic equations other than determining the zeroes of the equation and finding the x-intercepts. Can someone please give me a clear answer on this as my dad has been useless on this topic and I need help like ASAP! You can find the...
*November 3, 2014 by Alex*

**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*

**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-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*

**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*

**math**

please anwer these: 1) how can i multiply and divide polynomials containing radicals? 2) how can i solve radical equations? 3) how can i solve qudratic equations by factoring ? 4) how can i solve quadratic equations graphically ? thank you !!!!!
*August 13, 2014 by chen*

**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 classmates 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 classmates with one or two ...
*June 15, 2010 by hollywood*

**Math**

How would I expand this two quadratic equations and find a & x for both of them? Here are my equations: y=a(x+1.5)^2+0 y=a(x+2)^2+1.5
*November 28, 2014 by Alex*

**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*

**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*

**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.*

**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*

**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--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*

**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. 4x26x10=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**

My math teacher said to use the FOIL (First Outer Inner Last) property to simplify these quadratic equations I have made from looking at two parabolas. Here are my equations & how would you use the FOIL property on each of the equations and also can someone help me with ...
*December 4, 2014 by Alex*

**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 do I solve quadratic equations by elimination? eg: 6x^2-3x=2y-5 2x^2+x=y-4
*November 29, 2014 by Mistaking*

**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.*

**math **

15. What is the solution of the linear-quadratic system of equations? y=x^2+5x-3 y-x=2
*November 18, 2014 by Jasmine*

**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*

**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*

**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**

Solve the following quadratic-linear system of equations. y=-x^2-x-6 y=2x-2 A. (3, 6) and (1, 2) B. (4, 6) and (1, 4) C. (3, 6) and (2, 4) D. (4, 3)
*July 24, 2014 by Ben*

**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- Akis 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*

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