Use the quadratic formula to solve the equation. x^27x6=0
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Algebra
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x² – 21 = –4x • 7, 3 • –7, 3 • 7, –3 • –7, –3

algebra
Solve the equation using the zeroproduct property. 9n(5n5) a. 1/9, 1 b. 0,1***** c. 1/9,1 d. 0,1 Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^26=x a. x=2,3 b. x=2,3 ***** c. x=2,3 d. x=2,3 How

algebra 2
a quadratic equation can be written in vertex form or in standard form. sometimes one form is more beneficial than the other. identify which form would be more helpful if you needed to do each task listed below and explain why. a. factor the equation. b.

math help how do i do this
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2

algebra
Use the quadratic formula to solve the equation. 4x^23x+2=0 Can someone please explain

math
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. 3y^2 + y = 6

math
Use the quadratic formula to solve the equation x^2 + 7x = 8

math
Solve each equation by using the Quadratic Formula. Round to the nearest tenth if necessary. 1.6x2 + 2x + 2.5 = 0

Algebra
What method(s) would you choose to solve the equation? Explain your reasoning. 4x^248=0 a. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. Selected:b. Square roots; there is no xterm. c. Factoring; the

Algebra
−2y^2−6y+7=0 step 2 of 2 : Use the discriminant, b2−4ac, to determine the number of solutions of the given quadratic equation. Then solve the quadratic equation using the formula y=−b±sqrt(b2−4ac)/√2a.

math help plsss plsss
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2

algebra
use the quadratic formula to solve the equation 4x^27x2=0

algebra
Solve this quadratic equation using the quadratic formula. x^2 + 8x  5 = 0

Algebra2
A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task listed below and explain why. a factor the equation b

Algebra
Solve the quadratic equation. 3x^215x+18=0 I know that the formula to quadratic equation is x=b+and(square root)b^24ac divided by 2a. I know that a=3, b=15 and c=18, then subsitute in and get two answers, my problem is that I keep getting an answer

College Algebra
Use the quadratic formula to solve the equation: 2x^2=5x7

algebra
Use the quadratic formula to solve the equation. x^27x6=0

Math
Solve the equation by factoring, by finding square roots, or by using the quadratic formula. 3(x+4)^2= 27

algebra 1
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2 +

algebra
Use the quadratic formula to solve the equation x^25x=10

algebra
Solve equation by using the quadratic formula 3x22x5=0

Algebra 1 (Reiny)
Write each equation in standard form. Solve by using the Quadratic Formula. 1. 7 = x^2 2. x^2  16 = 0

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

Algebra 1
Which method is the best method for solving the equation 8x^2123x+3=0 square roots factoring graphing quadratic formula my answer is quadratic formula

math help
write the quadratic equation whose roots are 4 and 5 and whose leading coefficient is 5 use the letter x to represent the variable. use the quadratic formula to solve for x 4x^29x+3=0

Algebra
Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula. (Enter your answers as a commaseparated list.) (x+2)^2 + (x7)(x2)=16

math
Solve the equation using the quadratic formula (if necessary, round your result to three significant digits and decide which number is smaller or larger x value). 2x^2 + x − 7 = 0 I used the quadratic formula and I got 2.13 as a smaller xvalue and 1.6

Algebra
Explain how to solve a quadratic equation using the quadratic formula.

Algebra 1
How do I solve this quadratic equation using the quadratic formula "8a(squared)a+2=0"

math,algebra
can someone help me out factor out this 0=16t^2122t+180 i have so far this but the last one i am not sure 8(2t^214t + ?) you need to use the quadratic formula: b(+or)[sqrt(b^24ac)/2a] so you are saying that i don't have to factor it out any further i

Math
Solve for the zeros of the function using the quadratic formula. 3x^2=4x+6 I know what the quadratic formula is but when I put it into the formula I keep getting an error on the graphing calculator.

math
First try to solve the equation by factoring. If you are unable to solve the equation by factoring, solve the equation by using the quadratic formula. For equations with solutions that are irrational numbers, give exact solutions and approximate solutions

algebra 1
Use the Quadratic Formula to solve the equation: 5x^2 + 9x  2=0 2,1/5?

algebra
Solve equation using quadratic formula x^2+4x+3=0 is answer 3,1 ?

Algebra
I really need help on some sample work. Just need to check my answers: 1. Describe how the graph of y=x^2+1 differs from y=x^2. Then find the axis of symmetry and the vertex 2. Graph the quadratic equation y=x^2+x2. Identify the axis of symmetry and the

Algebra
I really need help on some sample work. Just need to check my answers: 1. Describe how the graph of y=x^2+1 differs from y=x^2. Then find the axis of symmetry and the vertex 2. Graph the quadratic equation y=x^2+x2. Identify the axis of symmetry and the

algebra
0. Tell your classmates about your pet to set up the scenario for fencing a rectangle in your yard. 1. You MUST start by choosing an amount of area that you want to fence in for your pet and this MUST be stated first. What amount of area are you enclosing

algebra
Solve the quadratic equation: 2x(squared)+6x+12=0 I know you have to find two numbers that =24 (2 times 12) and have a sum of 6. But I can't think of any! Can someone please help? Use the quadratic. And this problem has no real answers, they are imaginary.

Math
Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

math
15t^2+7t=2 The quadratic formula tells you that the solutions are: t = [b +/sqrt (b^2  4ac]/ (2a) In this case, a = 15, b = 7 and c = 2 solve the equation for t. What values for t will you get when you substitute the values you listed for a, b, and c

algebra
There are three forms of a quadratic function: standard, vertex, and intercept. Which form is best for each activity and explain why you think so. 14. Factor the equation 15. Graph the parabola 16. Identify the different properties of the graph 17. solve

Algebra 2
How do I solve the quadratic equation: 3x^2x+4 ? Using the quadratic formula.

Algebra
Find two consecutive positive integers such that the sum of the square is 85..(show your work) If X is the first integer, then X+1 is the next; therefore, the sum of those squares will be 85. X^2 + (X+1)^2 = 85 Solve for X, then add 1 to it for the second

Algebra II
1)What method(s) would you choose to solve the equation: x2 + 2x  6 = 0 A. Square roots; there is no xterm. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored.

Math
The surface area of a soft drink with cylindrical shape is given by a formula SA=2×pi×r(r+h), where r cm is radius of can and h cm is the height. The height of a can of wood finish is 5 cm and its surface area is 250cm^2 Substitute values into formula to

math
use the quadratic formula to solve this equation. 4x^28x+3=5 use the formula x=b + or  the sqrt of b^24ac/2a yes, the 2a divides into all. Memorize it.

Algebra
Solve by using the quadratic formula. 3x^2=11x+4. Look up the formula if you don't know it already. In this case a = 3, b = 11 and c = 4. You get that by rewriting the equation in the standard form ax^2 + bx + c = 0 , where a, b, and c are constants.

College Algebra
Solve the following equation in the complex number system x^4+x^3+4x^2+10x60=0 College Algebra  Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = 3 are roots so either do long division by x2 and x+3 to get a quadratic or do it by synthetic

Algebra 1 (StepbyStep)
Will someone explain how to solve this? Write each equation in standard form. Solve by using the Quadratic Formula. 1. 7 = x^2

Algebra 2
Solve each equation using the Quadratic Formula. 2x^2+3=7x

Semester 2Algebra 1Unit 3Sample Work
Use the quadratic formula to solve the equation x^26x2=0

Math
Use the quadratic formula to solve the equation. x^2 + 5x = 3

Algebra
I need help with using the quadratic formula to solve this equation: 2^x22x = 8

algebra 1
Use the Quadratic Formula to solve the equation: 5x^2  6x  8=0 .51,1.71?

College Math II
Solve by using the quadratic formula. x^2 + 6x + 6 = 0 I am having problems using the quadratic formula to get the right answer. Can someone show me the steps that I use? Thanks.

Math
how do i solve this equation with out using the quadratic formula: 5x^2 +18x +11 = 0

Math
Using the quadratic formula to solve for x in the equation x2 = 7x + 8 results in what value(s)?

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+4x5 #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

Math
1)Write a quadratic equation with integer coefficients that has 4+7i(Radical 3) and 47i(Radical 3) as its roots. 2) Solve your answer to part 1 using the quadratic formula verifying your answer

math
A: Solve the following equation: k2 + 4k = 0 A: By factoring B: By using the quadratic formula D: Do the results in A, B, differ from each other? Why or Why not?

Math
Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^25x=3 2. 3x^22x+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

Algebra
I was given this answers to a problems I solved but I do not understand what she means hope you can help. Before attempting to solve this quadratic equation, determine how many solutions there will be for this quadratic equation. Explain your reasoning.

Algebra
I was given this answers to a problems I solved but I do not understand what she means hope you can help. Before attempting to solve this quadratic equation, determine how many solutions there will be for this quadratic equation. Explain your reasoning.

algebra II
I'm quite clueless as to how to solve this. I know the quadratic equation but am not sure how to get this equation into the format to plug in to the quadratic... Solve the quadratic equation using the formula [1/(1+x)][1/(3x)]=(6/35) Show your work

math
(4.35E2  x)(7.56E2 x ) ============================ (0.324 + 2x)2 Rearrange to get an expression of the form ax2 + bx + c = 0 and use the quadratic formula (solve for x. This gives: x = 1.05E2, 0.143 basically i understand they use the quadratic

Math
Solve the given quadratic equation exactly using the quadratic formula. Write the solutions in its simplest form. Using a calculator, determine all irrational solutions to the nearest thousandth. Separate the solutions with a comma and list the smaller one

algebra
which quadratic formula would be used to solve the following quadratic equation? 4x^2  5x = 2 can you show me the correct answer and how do it please

algebra
Use the Quadratic Formula to solve the quadratic equation. (Enter your answers as a commaseparated list.) x2 − 10x + 19 = 0

Math
Solve the quadratic equation using the quadratic formula, x^23x+2=0.

mathcalculus
solve equation x^22x6 using quadratic formula. i not get how to do this and it says quadratic formula.

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)

Math Help
Consider the quadratic equation (a) Solve the equation using the quadratic formula, expressing your answer in terms of k. (b) What condition on k will assure that the equation has exactly one solution? (c) What condition on k will assure that there are two

Math
x^3 + 1.85x^2  x +0.15 = 0 how can you solve for x? An exact solution or a numerical solution? Exact solutions can be obtained as follows: x^3  1.85x^2 + x  0.15 = 0 First get rid of the quadratic term by substituting: x = (y + 1.85/3) You then obtain

algebra
Solve the quadratic equation 2x to the 2nd power 3x2=0using the quadratic formula. Read the information in the assignment list to learn more about how to type math symbols in MS Word, such as the square root.

physics repost
I am still trying to solve for H in this equation but I am still lost MgH = (1/2)*k*(H210)^2 + Mg*2 I was told to expand the square on the right, gather terms, put it in the standard quadratic form, and use the quadratic formula, but I don't know how.

physics repost
I am still trying to solve for H in this equation but I am still lost MgH = (1/2)*k*(H210)^2 + Mg*2 I was told to expand the square on the right, gather terms, put it in the standard quadratic form, and use the quadratic formula, but I don't know how.

Algebra 2
Solve each equation using the Quadratic Formula. x^2+16=8x

algebra
use the quadratic formula to solve the equation 2x^23x=6

Algebra
Use the Quadratic formula to solve the equation 4x^23x+2=0

math help plz
Use the quadratic formula to solve the equation: 0 = x2  5x + 6

Algebra 2
Solve each equation using the Quadratic Formula. 3x^2+5x=2

math
(4y^2)/(y2) = y/2 (4y^2)/(y2) = y/2 4  y^2 = (y*(y2))/2 4  y^2 = (y^22y)/2 8  2y^2 = y^2  2y 3y^2  2y  8 = 0 (keep the above equation in mind) quadratic formula: (b +/ sqrt(b^2  4ac))/2a now solve by plugging in the appropriate numbers and

math
use the quadratic formula to solve the equation: x^2+10x10=0

Algebra 1
Use the quadratic formula to find the x value that will solve the equation 2x^23x+10=0

Math
Solve the equation x^2  2x  6 = 4 algebraiclly, using the quadratic formula

Math
A: Solve the following equation: k2 + 4k = 0 A: By factoring B: By using the quadratic formula

Algebra 2
PLEASE HELP!!!!!!!!!!!!!!!!!! Solve each equation using the Quadratic Formula. x^2+12x+35=0

Math ,help
how can i simplify this more its for the following problem: Problem #22 solve by using the quadratic formual. 5x^24x+1=0 this is where i am but i do not know how to go further. x = (4 (+/) sqrt (4))/(10) Problem #23 Solve by completing the square.

math
Use quadratic formula to solve each equation 3k^2+6=6 I get 3/2 but I can't seem to get the other half of the equation such as x=3.7 or .26 etc...

algebra 2 pls help
A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task as listed below and explain why. a. Factor the equation b.

algebra 2
A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task listed below and explain why a. factor the equation b.

precalculus 11
abs x^2/2 1 =x+3 solve algebraically so if I divide through by 2 i get x^2 2= 2x+3 simplifying x^22x5 =0 solve by quadratic formula to get =3.449 and 0.445 both of which are extraneous roots if I take negative then I get x^2 +2=2x+6 simplify to x^2

Math
Solve the following quadratic equation(as exact values) using the quadratic formula. x^210x15=0 I got 5+2sqrt10/2. ^ Sorry hard to write it out. But basically there is a 5 there, the negative sign is supposed to be under the positive sign, then there is

Algebra
I am still having trouble solving this problem. Use the quadratic formula to solve this equation: 4k(k+13)=13

algebra
2x^22x1=0 How do I use the quadratic formula to solve this because I am totally new at this and need help? Please show me the steps for this equation,so I will be able to do it own my own. Thank you.

Maths
How would you solve for x with an equation like this? 0.2x^3  2.84x^2 + 8.532x  2.4 = 0 I thought you would use the quadratic formula somehow, but I'm not sure

Algebra 1 Answer Evaluation
Write each equation in standard form. Solve by using the Quadratic Formula. 1. 7 = x^2 A: ? 2. x^2  16 = 0 A: x = 4 or x = 4.

Chemistry
What is the pH of a 1.0E8 M solution of HCl? Please note that you cannot simply add the contribution of H+ ions from the autoproteolysis of water and the contribution from the dissociation of HCl. You will need to use the quadratic equation to solve this

Algebra
For this equation x^(2) + x + 2 which you can't factor but then you can use the quadratic formula but than why is the answer no real solutions when I can use the quadratic formula?

Math
Could someone help me with this equation? Use the quadratic formula to solve the equation... 2x^2  x = 10