Posted by **Sarah** on Thursday, November 12, 2009 at 10:15pm.

Complete the square to Solve Quadratic Equation:

Solve the equation. Express the answer in simplest radical form.

-x^2-7x=-11

Please Help!!!! Thanks.

- trigonometry -
**Me (:**, Wednesday, November 18, 2009 at 9:55pm
-x^2-7x+11=0

you multiply all of it by -1 to change the x into postive.

therefore,

x^2+7x-11=0

then apply this to the fo9rmula

-b+- the sqaure root of (b^2 - 4*a*c)/2a

where a = 1

b=7

c=-11

work out the answer, its very easy (:

## Answer this Question

## Related Questions

- trigonometry - Complete the square to Solve Quadratic Equation: Solve the ...
- math - x^2= 6x+11 solve the quadratic equation for values of x expressed in ...
- MATH - solve 1-(2/x)=2/(x+2) Express your answer in simplest radical form. What ...
- algebra 2 - Would some one look at these problems and see if I got them right ...
- algebra - 1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic ...
- Algebra - Solve the equation. Leave answer in simplest radical form. n^2-2n+1=5
- Algebra - I have some problems that I am having trouble with and I have some ...
- Math - 1)Write a quadratic equation with integer coefficients that has -4+7i(...
- Algebra - Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My ...
- math,correction - Problem 22 Solve each quadratic equation by completeling the ...

More Related Questions