Posted by **serg** on Thursday, August 7, 2014 at 3:05pm.

y = 4x2 - 12x + 9

- what is the question ? -
**Damon**, Thursday, August 7, 2014 at 3:29pm
You want zeros of y or what?

if zeros:

4 x^2 - 12 x + 9 = 0

(2 x-3)(2x-3) = 0

x = 1.5, 1.5 double root

If vertex etc:

4 x^2 -12 x = y - 9

x^2 - 3 y = (1/4)(y-9)

x^2 - 3 y + 9/4 = (1/4)y

(x-1.5)^2 = y/4

vertex at (1.5 , 0) which we knew already

## Answer this Question

## Related Questions

- Geometry - Which equation has exactly one real solution? A 4x^2– 12x– 9 = 0 B 4x...
- Algebra - 1. What polynomial has a graph that passes through the given points...
- Algebra. Please check my answers - Evaluate a/b+c^d for a=6,b=3,c=4 and d=5 A.42...
- Algebra - Can anyone other than ms. Sue help me? -12x^8y^8 divided by 3x^4y^2 A...
- Math - Solving quadratic equations by graphing? 3. x2-4x + 6 = 0 4. x2-4x-1=0 5...
- algebra - 24x^4-12x^3+48x^2/-4x 24x^4-12x^3+12(-1) 24x^4-12x^3+(-12x) 2x^4-12x^3...
- algebra - factor the expression 4xsquared+35x+24 my answer: (4x+3)(x-8) 4x2 +35x...
- Algebra - Below is a "complete the square problem" from a math help site on the ...
- algebra - 5x -3 = 11 + 12x combine like figures add 3 to both sides to remove ...
- Algebra - Can someone please check my work for me. Q: Plot the graph of the ...

More Related Questions