Saturday

February 28, 2015

February 28, 2015

Posted by **karla** on Tuesday, January 18, 2011 at 9:45pm.

- algebra 2 and trigonometry -
**helper**, Tuesday, January 18, 2011 at 9:59pmy^2-3y=9

y^2 - 3y = 9

complete the square

y^2 - 3y + 9/4 = 9 + 9/4

(y - 3/2)^2 = 45/4

+- (y - 3/2) = 45/4

solve for y

y = 3/2 (sqrt5 + 1)

y = -3/2 (-1 + sqrt5)

**Answer this Question**

**Related Questions**

algebra 2 and trigonometry - What the solution of the equation: y^2-3y=9 ?

Geometry&trigonometry - consider the polar graph §æ =(2/3)¦Ð. (¦Ð=pie) find the ...

ALGEBRA - The table below shows two equations: Equation 1 |3x - 1| + 7 = 2 ...

trigonometry - is the value 3pi/2 is a solution for the equation 2sin^2x-sinx-1=...

Algebra 2 - write a quadratic equation in the variable x having the given ...

solution of an equation - can someone please give me an example of a solution of...

Trigonometry - Solve the equation, where 0° ≤ x < 360°. Round ...

Trigonometry - Which of the following is not a solution of the equation tan ...

algebra - 1. is (0,3) a solution to the equation y=x+3 (1 point) yes** no 2. is...

trigonometry-math - what is the solution set (in terms of pi) of the equation ...