Posted by **kelli** on Monday, May 9, 2011 at 8:07pm.

use a graphing calculator to graph the function y=x^2-3x+15. a. what does the graph let you conclude about real number solutions of x^2-4x+13=0? explain. b. substitue 2-2i for x in the equation x^2-4x+13=0. simplify. is the resulting equation true? show your work.

## Answer this Question

## Related Questions

- pre-calculus 11 - I have the question what is the equation of the function in ...
- math - Which three options are true about the quadratic equation?? y= 4t^2 + 16t...
- Algebra - Below is the graph of a polynomial function f with real coefficients. ...
- Pre-Calculus - 1) Use a graphing utility to obtain the graph of the function. ...
- Algebra II - 1)What method(s) would you choose to solve the equation: x2 + 2x - ...
- algebra - Coulld someone take the time and check my answers please. 11) without ...
- calculus/graphing calculator help - We were given a worksheet on modifying ...
- Math - Can someone please check my work for me? Write an equation of the line ...
- Math - I have a TI-83 graphing calculator. How do you graph a polar equation on ...
- Calculator reposting - Hi, I'm trying to graph the equation "y=3x" on my ...

More Related Questions