SOLUTION: I have a fair understanding of finding discriminants but I am stumped on one. x square - 15 = 0

Algebra.Com
Question 958622: I have a fair understanding of finding discriminants but I am stumped on one.
x square - 15 = 0

Found 2 solutions by josgarithmetic, macston:
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
You use what you already know.
, so what is the discriminant? Maybe you need the whole expanded form of the equation?



------Does this look better?
Corresponds to
.

Answer by macston(5194)   (Show Source): You can put this solution on YOUR website!

=
Discriminant=60

RELATED QUESTIONS

I am stumped on one of my algebra questions.... (answered by jim_thompson5910)
I really need an understanding on Quadratics and discriminants: Could some one help me... (answered by venugopalramana)
Find the x-intercepts. y = x^2 + x - 9 I am a little confused on how to find the x... (answered by checkley75)
Hi. I am working on a problem finding the minimum and maximum value of f(x,y)=x-4y for... (answered by solver91311)
Create a real-life situation that fits into the equation (x + 2)(x - 5) = 0 and express... (answered by Mathtut)
Please solve this equation and show me the work. I am stumped on this one. the square (answered by solver91311,lwsshak3)
The problem I have--not from a text book--is this: "Draw the graph of the linear... (answered by bucky)
I am 60 and was born on July 29, 1950. My son just turned 30 and was born on March 18, (answered by ankor@dixie-net.com)
I solved 48 problems but this one has me stumped and I have been working on it for 2hrs. (answered by Earlsdon,ankor@dixie-net.com,Edwin McCravy)