# NEED MAJOR HELP! *QUADRATIC EQUATIONS*

47,295 results

### 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

### 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!!!!!!!!!!!!!!!

### 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?

### 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

### 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

### 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 ...

### 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.

### 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...

### 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...

### 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 ...

### 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 ...

### 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

### 007031 Quadratic Equations

i need the test answers

### Quadratic Equations

If I were looking at a graph of a quadratic equation, how do I determine where the solutions are?

### math

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

### quadratic equations

can you solve the equation using the quadratic formula x2 + 3x = 7? Explain and provide an exact answer.

### Algerbra

7.f(x)=2x^2-3x+1 13. f(x)=x^2-6x+1=0 *Solve for the zeros/roots of the following quadratic equations by using the quadratic formula* Any help please.....

### quadratic equations

how do you know if a quadratic equation will have 1,2 or no solutions

### 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 ...

### 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?

### 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?

### 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?

### 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?

### 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 ...

### 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

### 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...

### MATH

Hi, I'm trying to understand what a quadratic equation is. I understand that in a quadratic equation you have to have a variable in the second power. Why, then, aren't y = x^2 + 2x^3 and Y = 2x^2 + 3 times the square root of x quadratic equations? They both have powers of x ...

### 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 !!!!!

### Pre-Calculus

Find first differences for the sequence in order from a_1 to a_5. Determine whether or not the series is quadratic or not.(I used _ as a sign for a subscript) -1, -3, -1, 5, 15 A. 2, 2, 6, 10; not quadratic B. 2, 2, 6, 10; quadratic C. -2, 2, 6, 10; not quadratic D. -2, 2, 6, ...

### 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 ...

### 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 ...

### 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

### Algebra Quadratic Equations

What are the pros and cons of completing the square as a way to solve quadradic equations?

### 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...

### 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

### Algebra

Factor quadratic expressions: 2x^2 + 9x + 4 10x^2 + 70x + 100 Solve quadratic equations by factoring: 2x^2 + 9x + 4 = 0 Solve by taking square roots: (x - 5)^2 - 81 = 0

### 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?

### MATH

Which method of solving quadratic equations should be used when only an estimated solution is necessary? factoring quadratic formula graphing MY GUESS GRAPHING?

### 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.

### 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?

### 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

### 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-...

### 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

### 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?

### 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.

### 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 ...

### 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)

### 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 ...

### quadratic equations

The solution to a quadratic equation is x is equals to 3 plus or minus square root of 4 minus 8p all over 4 where p is the element of Q. Determine the value(s) of p that the roots of the equation are equal and non-real

### quadratic equations

The solution to a quadratic equation is x is equals to 3 plus or minus square root of 4 minus 8p all over 4 where p is the element of Q. Determine the value(s) of p that the roots of the equation are equal and non-real

### quadratic equations

The solution to a quadratic equation is x is equals to 3 plus or minus square root of 4 minus 8p all over 4 where p is the element of Q. Determine the value(s) of p that the roots of the equation are equal and non-real

### 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???

### 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.

### Quadratic Equations

Describe a sporting situation that has quadratic characteristics. Use key terms such as maximum or minimum, starting or ending points(ordered pairs), shape, vertex, etc. to explain why the situation could be considered to have quadratic characteristics. A complete response ...

### 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? ...

### 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

### math

quadratic equation of 48x^2-32x-35=0 i need both answers you must use the quadratic formula

### 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 ...

### 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 ...

### 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...

### 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)) ¯¯¯¯¯¯¯2a¯¯¯¯¯¯¯¯¯ So... a=1 b=8 c=-48 Now just plug the numbers into the quadratic equation and get your two answers. The ...

### 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 ...

### quadratic equations

6^2-8+41=

### Quadratic Equations

Describe a sporting situation that has quadratic characteristics. Use key terms such as maximum or minimum, starting or ending points(ordered pairs), shape, vertex, etc. to explain why the situation could be considered to have quadratic characteristics. A complete response ...

### 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 + ...

### 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 office...

### math

the quadratic equations x2-6x+a and x2-cx+6=

### 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 don't see them off hand. graph y=43x^3 + 13x^2 + 18x - 456 and y=2x(3x+2...

### Algebra II

quadratic equations Solve: 2x^2-5x=3 2x^2 -5x -3 = 0 (2x + 1)(x -3) = 0 x = -1/2 or 3

### quadratic equations

Please solve for x. ax^2 + bx +c=0

### 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) ¨

### precalculus

Are my answers correct if not which are right? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. 1 2 3 5 answer:a Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. -1, -3, -1, 5, 15 2, ...

### algebra

how do you solve quadratic equations Hlep

### algebra2

9x(squared)+3x+16=0 factoring quadratic equations

### math

solving quadratic equations 8s^3=72s

### algebra 2

how do you solve quadratic equations by factoring?

### 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

### 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

### 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

### Math- Special Cases of Quadratic Equations

x^2+5=30

### math

how do I solve quadratic equations by elimination? eg: 6x^2-3x=2y-5 2x^2+x=y-4

### Math

Why Quadratic equations are shaped like U ?

### Algebra

Create a system of equations that includes one linear equation and one quadratic equation. Part 1. Show all work to solving your system of equations algebraically. Part 2. Graph your system of equations, and show the solution graphically to verify your solution.

### 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 ...

### Math

How many solutions do Most quadratic equations have/ Is it 4

### Math

How many solutions do Most quadratic equations have? Is it 2

### HELP !!! Algebra 2

15. What is the solution of the linear-quadratic system of equations? {y = x^2 + 5x - 3} {y - x = 2}

### math

form the quadratic equations whose roots are(A:5 and -1/3

### math

15. What is the solution of the linear-quadratic system of equations? y=x^2+5x-3 y-x=2

### math

Find the roots of the quadratic equations x^2 - 1/12x -1/12 = 0 ?

### pre cal

2x−5√x+2=0 quadratic equations

### Mathematics

How to use graphs to solve quadratic equations

### 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...

### 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, ...

### Algebra

How do you find quadratic equations if you are only gven the solution?

### algebra 2

how do you solve quadratic equations by finding square roots

### 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

### 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

### Algebra 1

When graphing quadratic equations, do you include the y-intercept on the graph?