Posted by **Haylee** on Friday, May 18, 2007 at 9:57am.

solve the polynomial y=2x^2-4x+1

For Further Reading

algebra - Reiny, Thursday, May 17, 2007 at 10:34pm

I am sure neither your text nor your teacher asked you to "solve the polynomial y=2x^2-4x+1 "

are you graphing the function, or are you solving the quadratic y=2x^2-4x+1 ?

I am trying to

solve the quadratic sorry.

2x^2-4x+1 = 0 does not factor, so use the formula

x =(4 ± sqrt(16-4(2)(1)))/4

=(4 ± √8)/4

=(2 ± √2)/2

if you are looking for the vertex of

y=2x^2-4x+1

a quick way is to find the x of the vertex by x= -b/(2a) = 4/4 = 1

now sub x=1 back in your function to get the y of the vertex.

the other way would be to complete the square for 2x^2-4x+1

To make sure i did this right does y=1 also?

## Answer this Question

## Related Questions

- algebra - solve the polynomial y=2x^2-4x+1 I am sure neither your text nor your ...
- Algebra - I already posted this question and Reiny answered it, I just wanted ...
- Algebra -polynomial - Solve the polynomial 40x^2+2x-65 Notice that for x = 1 the...
- Algebra - Posted by Tammy on Thursday, July 19, 2007 at 10:12pm. download mp3 ...
- Algebra: Steve - I already asked this question,I just wanted to clarify the ...
- Algebra II - I need to write a polynomial in SIMPLEST FORM having roots 2,-2 and...
- Algebra - Solve the polynomial x^2+35x+27 Is this polynomial equal to something...
- 8th Grade Algebra - Multiply. 1) (3t^2 - 2t - 4) * (5t + 9) Writing. 1) Explain ...
- algebra - find F(2) for the polynomial shown below. F(x)=(x^4)-(2x^3)+(3x^2)-(...
- polynomials - i also have theses to solve Factor the polynomial x2 + 5x + 6 ...

More Related Questions