Thursday
May 23, 2013

# Search: quadratic equations - math

Number of results: 193,402

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
Friday, February 17, 2012 at 7:26pm by Leo

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?
Tuesday, February 5, 2008 at 11:33am by Marysvoice

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 ...
Sunday, January 17, 2010 at 4:09pm by Michelle

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
Tuesday, October 11, 2011 at 4:45pm by Austin

I'm doing quadratic equations x^2 +bx+c =0.I'm supposed to factor each polynomial. I know how to questions like x^2 +8x +12 =0 but this one says, j^2-9jk-10k^2. I'm confused
Tuesday, October 11, 2011 at 4:45pm by Cole

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 ...
Wednesday, July 11, 2007 at 1:21am by Jess

Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y &lt; - X ^ 2 X^2 + Y^2 &lt; 16
Wednesday, April 27, 2011 at 5:36pm by Christina

Math (Algebra) Repost from July 27, 2010 at 4:13pm
Wednesday, July 28, 2010 at 5:01pm by Ms. Sue

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 ...
Sunday, February 28, 2010 at 10:56pm by Anonymous

math
Saturday, October 6, 2012 at 3:06am by bobpursley

math
For a basketball player, one can graph the arc of his shot to the basket using a quadratic equation; for a diver, the arc of the dive itself before entry into the water; for a sniper, the change in the level of the bullet as it traverses great distances can be graphed ...
Friday, February 17, 2012 at 7:26pm by Anonymous

Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y &lt; -X^2 X^2 + Y^2 &lt; 16 I'm not sure how to actually work this problem out. Can anyone help me with this problem please.
Wednesday, April 18, 2012 at 7:37pm by Greg

I just did. The final answer is 2 or -4. Do you understand how to factor equations? That might be a topic worth reviewing. If you wan to do it the hard way, you can also use the quadratic equation x = [-b +/-sqrt(b^2-4ac)]/(2a) Then substitute a = 1, b = 2 and c = -8 sqrt(b^2...
Tuesday, January 17, 2012 at 11:03pm by drwls

math
I seriously doubt if any basket ball player works out quadratic solutions when playing, or a sniper, or a diver. I would apply quadratic equations when designing fire fighting equipment.
Friday, February 17, 2012 at 7:26pm by bobpursley

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!!!!!!!!!!!!!!!
Wednesday, November 21, 2012 at 11:17am by Saud

If I were looking at a graph of a quadratic equation, how do I determine where the solutions are?
Thursday, September 2, 2010 at 9:49am by Lynn

the statement of the quadratic formula would be the solution x = (-b ± &#8730;(b^2 - 4ac)/(2a)
Monday, January 16, 2012 at 9:54pm by Reiny

The solutions are the x values where y = 0. (Where the curve crosses the x axis). y is the quadratic function.
Saturday, February 16, 2008 at 7:24pm by drwls

how do you know if a quadratic equation will have 1,2 or no solutions
Sunday, January 4, 2009 at 1:33pm by Anonymous

Completing the square is not the easiest way to solve quadratic equations; its strength lies in the fact that the process is repetitive and predictable. Here is the best news: completing the square ALWAYS (SAY ALWAYS) will work, unlike the factoring method, which of course, ...
Friday, February 15, 2008 at 7:31am by Guido

complete the square factor by grouping use the quadratic equation what? study? try that too.
Tuesday, March 19, 2013 at 10:19am by Steve

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.
Monday, December 5, 2011 at 6:04am by Anonymous

can you solve the equation using the quadratic formula x2 + 3x = 7? Explain and provide an exact answer.
Tuesday, January 17, 2012 at 10:01pm by becca

Even you subject is "Quadratic Equations", the problem you submitted is a cubic equation, and there appears to be no typo. We will solve the cubic as it is posted. x^3-3x^2+4=0 We note that the coefficients add up to zero if we reverse the sign of x^3, i.e. (-1)-3+4=...
Thursday, April 14, 2011 at 1:03pm by MathMate

Math
You must solve two quadratic equations. 0.02 s ^ 2 + 1.1 s = 51 and 0.02 s ^ 2 + 1.1 s = 315.12 If you dont know how solve equations in google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic ...
Saturday, February 25, 2012 at 9:24pm by Bosnian

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
Thursday, April 14, 2011 at 1:03pm by Akash

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?
Monday, January 12, 2009 at 10:59pm by shauna

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?
Monday, January 12, 2009 at 10:59pm 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?
Sunday, March 28, 2010 at 5:39pm by GGIFT

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?
Tuesday, September 30, 2008 at 5:14pm by Laura

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
Thursday, August 21, 2008 at 11:33am by anonymos NEEDS HELP!

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?
Tuesday, February 7, 2012 at 6:53pm by debby

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...
Tuesday, June 15, 2010 at 2:29pm by hollywood

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...
Tuesday, October 7, 2008 at 1:33am by Nadia

What are the pros and cons of completing the square as a way to solve quadradic equations?
Friday, February 15, 2008 at 7:31am by Marysvoice

The question is Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y &lt; -X^2 X^2 + Y^2 &lt; 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 ...
Tuesday, June 12, 2012 at 3:50pm by Greg B.

algebra
Quadratic equations are usually written with all terms on one side equal to zero so ... 2x^2 + 5x - 1 = 0 we used to call this the general form of a quadratic.
Friday, May 14, 2010 at 6:08pm by Reiny

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.
Sunday, March 2, 2008 at 1:42pm by Sharon

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 ...
Wednesday, June 13, 2007 at 3:43pm by Tomika

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)
Wednesday, March 28, 2007 at 6:47pm by jasmine20

You are referring to the discriminant, which is part of the quadratic formula in the RADICAND section. Here is how the discriminant works: Given a quadratic equation in the forn ax^2 + bx + c = 0, plug the coefficients into the expression b^2 - 4ac to see what happens. The ...
Wednesday, February 13, 2008 at 7:31am by Guido

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?
Thursday, February 28, 2008 at 9:25am by Micah

two consecutive integers: x and x+1 &lt;the sum of whose squares is 1 more than twelve times the larger..&gt; x^2 + (x+1)^2 = 12(x+1) + 1 expand and solve as a quadratic equation. (see if you can come up with 6,7 or -1,0 )
Sunday, March 29, 2009 at 12:54pm by Reiny

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 ...
Sunday, May 13, 2007 at 11:26pm by Haylee

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?
Sunday, March 28, 2010 at 5:42pm by GGIFT

math
form the quadratic equations whose roots are(A:5 and -1/3
Sunday, April 14, 2013 at 4:40pm by pressly.

Math- Special Cases of Quadratic Equations
x^2+5=30
Tuesday, August 21, 2012 at 11:03am by Babu

Math
I really need help with this I do not know how to solve quadratic equations
Sunday, December 20, 2009 at 12:29pm by Anna

math
Sunday, May 3, 2009 at 9:02pm by Bryan

Math
How many solutions do Most quadratic equations have? Is it 2
Tuesday, October 7, 2008 at 6:48pm by Jackie

Math
How many solutions do Most quadratic equations have/ Is it 4
Tuesday, October 7, 2008 at 6:32pm by Jackie

math
The area of a triangle is A = base * height /2 If you have not learned to solve quadratic equations before, then think of 2A = base * height Since A=14, 2A = 28 Look for two integers that multiply together to give 28, but with a difference of 3 between them. If you have ...
Tuesday, June 2, 2009 at 6:04pm by MathMate

6^2-8+41 =36-8+41 =28+41 =69 If it is a quadratic equation, the unknown (usually x) is missing, and something should appear on the right hand side.
Monday, June 11, 2012 at 2:20pm by MathMate

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...
Monday, March 4, 2013 at 6:06am by Marcus

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?
Monday, January 12, 2009 at 11:00pm by Paradise

It looks like you already have provided one such quadratic equation. Is there a set of data upon which you based that equation? Were 11 tickets sold before they went on sale?
Monday, February 11, 2008 at 8:52am by drwls

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
Sunday, July 8, 2012 at 8:54pm by Tifini

Algebra
Wednesday, January 18, 2012 at 11:30pm by Daleda

I don't know what the steps are. Perhaps the first step is to identify the a, b, and c that fit into the quadratic formula. a = 1, the coefficient of the squared term. b = 5, the coefficient of the x term. c = -6, the number.
Tuesday, May 18, 2010 at 2:24pm by DrBob222

math
can you explain to me how I would use Quadratic equations in everyday life
Thursday, April 14, 2011 at 5:26pm by patiance

math - question
Why are there always at least two solutions in quadratic equations?
Friday, February 27, 2009 at 12:29pm by candy

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???
Tuesday, September 8, 2009 at 7:10pm by ggift

Math
Name two methods that are used to solve Quadratic Equations when they are irreducible.
Wednesday, February 15, 2012 at 12:58pm by Abbie

Math (Algebra)
Could someone help to explain to me how factoring is used to solve quadratic equations?
Tuesday, July 27, 2010 at 4:13pm by Lynn

math
I'm doing solving quadratic equations.I need help with couple of problems. k(k+5)=0,4r^2=100
Wednesday, April 7, 2010 at 9:30pm by lauren

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.
Monday, February 27, 2012 at 5:25pm by Rose

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, ...
Thursday, November 24, 2011 at 9:09pm by -Untamed-

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? ...
Monday, February 27, 2012 at 5:23pm by Rose

Math
Explain how factoring is used to solve quadratic equations. Demonstrate the process with an example.
Sunday, April 24, 2011 at 11:54pm by Opera

Math
5y(squared) + 4 = 14 solve quadratic equations by finding square roots
Saturday, November 13, 2010 at 9:24am by Lola

math
i dont get it v didnt study quadratic equations yet can u explain it through work
Tuesday, December 2, 2008 at 8:38pm by vaishnavi

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
Monday, February 11, 2008 at 8:52am by Marysvoice

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 ...
Monday, August 8, 2005 at 11:45pm by leleirvin

Algebra 2 URGENT
Rewrite it in standard format for quadratic equations, ax^2 + bx + c = 0. In your case, 4x^2 +12x -15 = 0 so a = 4, b = 12 and c = -15. Now apply the quadratic equation to get the two solutions. If you don't know what that is, it's time you learned it. It should be ...
Wednesday, November 18, 2009 at 11:56pm by drwls

Math
Solve the Following quadratic equations by completing the square. 7x(squared)+4x-13=8
Thursday, August 2, 2012 at 8:38am by Emir

Math
I am working with quadratic equations this week. Honestly, I drew a picture and made a logical guess.
Monday, February 18, 2008 at 9:34am by Marysvoice

college algebra
There are two equations there. In the first one, let y = x^2 and solve the quadratic. 9y^2 -13y +4 = 0 (y -1)(9y-4) = 0 y = 1 or 4/9 x = sqrt(y) = +/-1 and +/-2/3 In the second one, let y = x^3 and again solve the quadratic.
Tuesday, March 19, 2013 at 12:08am by drwls

Math
you can, but it is not necessary. when it returns to ground, y=0 0=-16t^2+50t+6 16t^2-50t-6=0 using the quadratic equation... t= (50+-sqrt(2500+384)/32 t=(50+-sqrt 53.7)/32=103.7/32=3.24sec Your graphing calc may have a subrouting to solve quadratic equations, many do. check ...
Friday, April 16, 2010 at 3:07pm by bobpursley

Math
What is the difference between a linear and a quadratic model? How do I know which one is good for the graph? :S I know it has to do with equations to find R2
Sunday, March 20, 2011 at 1:36pm by Jacob

math
You can put the equations into the form ax^2 + bx + c = 0 then use the quadratic formula to find the solutions.
Sunday, August 22, 2010 at 12:43am by Quidditch

Math
What do you think? Try graphing linear and quadratic equations on a calculator if you need to see them more closely.
Sunday, January 17, 2010 at 4:09pm by Marth

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 ...
Monday, March 17, 2008 at 4:40pm by Irene

math
Assume the quadratic function is of the form y(x) = ax^2 + bx + c The three points give you three equations in the three unknowns. -1 = 4a -2b +c 0 = a -b +c 0 = 9a -3b +c Subtract the second from the first and the second from the third to get two independent equations without...
Sunday, September 23, 2007 at 7:02am by drwls

Thanks for the help. :)
Sunday, March 29, 2009 at 12:54pm by purpletree

Thanks for the help. :)
Sunday, March 29, 2009 at 12:57pm by purpletree

Thanks for the help. :)
Sunday, March 29, 2009 at 12:58pm by purpletree

Thanks for the help. :)
Sunday, March 29, 2009 at 1:00pm by purpletree

Thanks for the help. :)
Sunday, March 29, 2009 at 1:01pm by purpletree

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 ...
Friday, November 16, 2012 at 12:46pm by Robert

equation
y appears in both equations to the first degree. You can eliminate y by equating the value of y from each equation. Solve the resulting quadratic equation for x. Back-substitute the values of x into the equations to get the corresponding values of y.
Monday, September 6, 2010 at 7:45pm by MathMate

6^2-8+41=
Monday, June 11, 2012 at 2:20pm by kim

Thank you.
Friday, February 15, 2008 at 7:31am by Marysvoice

Got it. Thank you
Monday, February 11, 2008 at 10:32am by Marysvoice

Thank you ..
Friday, January 11, 2008 at 3:27pm by Lewis

Friday, January 11, 2008 at 3:27pm by Lewis

MATH
Thursday, April 14, 2011 at 3:40pm by PsyDAG

Math - solving quadratic equations with factoring
10 = -5t^2 + 30 5t^2 = 20 t^2 = 4 t = 2
Tuesday, January 24, 2012 at 11:13am by Steve

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...
Saturday, March 6, 2010 at 12:38am by LivviC

Math (Algebra)
A and B are real numbers such that the two quadratic equations 13x^2 + 3x +2 = 0 and Ax^2 + Bx + 5 = 0 have a common root. What is the value of A+B?
Tuesday, May 7, 2013 at 1:56am by Shin

math
I am working on quadratic equations and I have worked a problem down to 3 plus or minus the square root of 361 all over 2... what next?
Tuesday, March 12, 2013 at 3:56pm by Robin

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