Question

Given the function f(x)=x^2-12x+10, find the x-intercept(s).

Answer 1

use the quadratic formula. you should end up with 11.099 and 0.901

Answer 2

or you could just plug it into a graphing calculator

Answer 3

I got 2 and 10 when I plugged it into the graphing calculator.

Answer 4

are you using some sort of program? what type of graphing calculator do you have?

Answer 5

TI-84 Plus. I'm just plugging it in normally. No programs.

Answer 6

once you graph it, are you going to the calc button and selecting the zero option?

Answer 7

No, I typed int the equation in one line, then 0 in another Y=, then found the intercept points.

Answer 8

i just did that. i still got 0.901 and 11.099

Answer 9

did you calculate your intercept points using the option under calc?

Answer 10

Sorry, I just did it again. You were right. Thanks for your help.